how manyy solutions does this system of equations have? explain how you know y + 2x = 5 y = 3x + 5

Answer:

Step-by-step explanation:

99

Answer: the opposite of -99 is 99 if your doing the absolute value

Step-by-step explanation:

Answer:

19.1

Step-by-step explanation:

6.6 + 12.5 = 19.1

Answer:

19.1

Step-by-step explanation:

It is adding PQ to QR which added up to 19.1

Answer:

C. Columns

Step-by-step explanation:

It's correct, I took the test and got it right.

Answer:

X=6 x=6

Step-by-step explanation:

[tex]x^{2} +28=64[/tex]

subtract 28

[tex]x^{2} =36[/tex]

Square Root

[tex]\sqrt{x^{2} } =\sqrt{36}[/tex]

Remember + or -

x=6 or -6

Answer:

x=-6, 6

Step-by-step explanation:

Subtract 64 from both sides

x^2-36=0

Uses difference of squares

(x-6)(x+6)

x=-6, 6

Answer:

<30,-20>

Step-by-step explanation:

4u + 2v

4< 6,-4> + 2< 3,-2>

<24,-16> + < 6,-4>

<30,-20>

Answer:

- 43/2

Step-by-step explanation:

Open the bracket

[tex]6x - 48 - 3 = 8x - 8[/tex]

Collect the like terms

[tex]6x - 8x = - 8 + 48 + 3[/tex]

[tex] - 2x = 43[/tex]

Divide both sides by -2

[tex]x = \frac{ - 43}{2} [/tex]

$99.75

Step-by-step explanation:

$150(.5)=$7.50. 150.00-7.50 =142.50 ( 7)=99.75

Answer:

40 degrees

Step-by-step explanation:

90 degrees-50 degrees is equal to 90 degrees.

Answer:

a = 40°

Step-by-step explanation:

Since the total angle measurement is 90°, you can tell by the square indicator in the bottom right, you need to subtract 90 by 50. Doing to gives you 40. You can check by reversing this process. 50 + 40 = 90

Answer:

8.25 feet approx

Step-by-step explanation:

Given data

Diameter= 18inches to feet= 1.5 feet

radius= 1.5/2= 0.75 feet

Height= 3 feet

The expression for the total surface area of the barrel(cylinder) is given as

TSA= 2πrh+2πr^2

substitute

TSA= 2*3.142*0.75+ 2*3.142*(0.75)^2

TSA= 4.713+ 6.284*0.5625

TSA= 4.713+ 3.53475

TSA= 8.25 feet

Hence the TSA is 8.25 feet approx

Answer:

2 1/4 or 9/4

Step-by-step explanation:

Because if you add up all the fractions and simplify them they equal 5/4 and if u add the 1 gallon to it it equals 1 5/4 but thats not it 5/4 also makes up a whole gallon its self with 1/4 left over

Answer:

A.

Step-by-step explanation:

Answer: A

Step-by-step explanation:

1) Answer:

[tex]h = \frac{3}{2} [/tex]

2) Answer:

[tex]a = \frac{160}{3} [/tex]

3) if you mean,

[tex] \frac{3}{5} x = 12[/tex]

Then the answer is. x = 20.

but, if you mean

[tex] \frac{3}{5x} = 12[/tex]

then the answer would be, x = 1/20.

4) Answer:

[tex]y = \frac{5}{7} [/tex]

5) If you mean,

[tex] \frac{14}{3} = - \frac{7}{9b} [/tex]

then the answer would be, b = -1/6

but if you mean,

[tex] \frac{14}{3} = - \frac{7}{9} b[/tex]

then the answer would be, b = -6

Answer:

8,215

Step-by-step explanation:

I think thats' it , could be wrong

Answer:

8,215.001

Step-by-step explanation:

First look at each chunk of the question and split up the question into easily readable sections. Make sure you do not confuse the first decimal place as a ones place.

Answer:

16

Step-by-step explanation:

Answer:

UT is the right angle triangle.

where UV is 8cm

TV:17cm

UV:?

Angle:UTV:60

UT is a right angle triangle

Sorry, I am not sure and I would not like to spread misinformation

Answer:

38.5ft²

Step-by-step explanation:

we know the formula for Area is

A=pi*r²

A=38.5

Answer:

c and full truat i nwver wrong

Answer:

1. 0.13

2.0.26

Step-by-step explanation:

1. In geometric probability, the probability of an event is based on a ratio of geometric measures such as length or area.

The area model is used here. The measures of various dimensions of the sample space and the included figures are given.

The sample space is the area of the large rectangle.

Find the area of the sample space.

Substitute the known values for the length, l=25

m, and width, w=17 m, into the formula for the area of a rectangle, A=lw

.

A=(25)(17)=425

m2

The probability that a randomly chosen point will lie either inside the trapezoid or inside the triangle is the sum of the individual probabilities.

The probability that a randomly chosen point will lie inside the trapezoid is equal to the ratio of the area of the trapezoid to the area of the large rectangle.

Find the area of the trapezoid.

Substitute the known values for the bases, b1=13

m and b2=8 m, and height, h=4 m, into the formula for the area of a trapezoid, A=12(b1+b2)h

.

A=12(13+8)(4)=42

m2

Find the probability that a point chosen randomly inside the rectangle is in the trapezoid.

P1=42425

The probability that a randomly chosen point will lie inside the triangle is equal to the ratio of the area of the triangle to the area of the large rectangle.

Find the area of the triangle.

Substitute the known values for the base, b=4

m, and height, h=7 m, into the formula for the area of a triangle, A=12bh

.

A=12(4)(7)=14

m2

Find the probability that a point chosen randomly inside the rectangle is in the triangle.

P2=14425

Sum the individual probabilities to find the probability that a point chosen randomly inside the rectangle is either in the trapezoid or in the triangle.

P=P1+P2

=42425+14425

=56425≈0.13

Therefore, the probability that a point chosen randomly inside the rectangle is either in the triangle or in the trapezoid is about 0.13

2.

In geometric probability, the probability of an event is based on a ratio of geometric measures such as length or area.

The area model is used here. The measures of various dimensions of the sample space and the included figures are given.

The sample space is the area of the large rectangle.

Find the area of the sample space.

Substitute the known values for the length, l=16

m, and width, w=11.8 m, into the formula for the area of a rectangle, A=lw

.

A=(16)(11.8)=188.8

m2

The probability that a randomly chosen point will lie either inside the triangle or inside the circle is the sum of the individual probabilities.

The probability that a randomly chosen point will lie inside the triangle is equal to the ratio of the area of the triangle to the area of the large rectangle.

Find the area of the triangle.

The height of the triangle equals 11.8−7.3=4.5

m

.

Substitute the known values for the base, b=8

m, and height, h=4.5 m, into the formula for the area of a triangle, A=12bh

.

A=12(8)(4.5)=18

m2

Find the probability that a point chosen randomly inside the rectangle is in the triangle.

P1=18188.8

The probability that a randomly chosen point will lie inside the circle is equal to the ratio of the area of the circle to the area of the large rectangle.

Find the area of the circle.

The radius is half of the diameter. So, r=6.22=3.1

m

.

Substitute the known value for the radius, r=3.1

m, into the formula for the area of a circle, A=πr2

.

A=π(3.12)=9.61π

m2

Find the probability that a point chosen randomly inside the rectangle is in the circle.

P2=9.61π188.8

Sum the individual probabilities to find the probability that a point chosen randomly inside the rectangle is either in the triangle or in the circle.

P=P1+P2

=18188.8+9.61π188.8

=18+9.61π188.8≈0.26

Therefore, the probability that a point chosen randomly inside the rectangle is either in the circle or in the triangle is about 0.26

.

Answer:

510

Step-by-step explanation:

100 / 100 = 1

35.7/0.07 = 510

510 * 1 = 510

Answer:

Brand A i think

Step-by-step explanation:

Answer:B

Step-by-step explanation:

Answer:

7

Step-by-step explanation:

Therefore 1008 must be multiplied by 7 to make it a perfect square.

Answer:

very unclear picture, and unclear question. is that really how it's worded?

Step-by-step explanation:

Answer: there are 2 blue marbles

Step-by-step explanation:

10 / 2 = 5

If there are 5 to 1 then 5 + 5 = 10

So 1 + 1 = 2

(Sorry if that didn’t make much sense)

Answer: [tex]15\times\frac{1}{2}[/tex]

Explanation:

Multiplying by 1/2 is the same as dividing by 2.

For example, if you have 10 slices of cake and 2 friends, then each friend gets 10/2 = 5 slices. We could also say [tex]10\times \frac{1}{2} = 5[/tex]

The fraction 1/2 converts to the decimal form 0.5, which means [tex]10 \times \frac{1}{2} = 10*0.5[/tex]

Answer:

B) 23

Step-by-step explanation:

23 girls x 4 boxes each = 92 boxes

92 + 11 extra = 103

23 girls x 5 boxes each = 115 boxes

115 - 12 = 103

Mrs. Warren has 103 boxes and 23 girls in her Girl Scout troop.

Mrs. Warren has 103 boxes and 23 girls in her Girl Scout troop. so option B is correct.

The unitary method is a method for solving a problem by the first value of a single unit and then finding the value by multiplying the single value.

Given; Mrs. Warren has b boxes of Girl Scout cookies that she wants to distribute to the members of her troop.

If she gives each girl 4 boxes, she will have 11 boxes left over then,

23 girls x 4 boxes each = 92 boxes

92 + 11 extra = 103

If she wanted to give each student 5 boxes, she would need an additional 12 boxes then,

23 girls x 5 boxes each = 115 boxes

115 - 12 = 103

Hence, Mrs. Warren has 103 boxes and 23 girls in her Girl Scout troop. so option B is correct.

Learn more about the unitary method;

https://brainly.com/question/23423168

#SPJ2

Answer:

810

Step-by-step explanation:

3 x 3 x 9 x 10 = 810 [times means multiply]

810.

3 X 3 = 9

9 X 9 = 81

81 X 10 = 810

Hope this helps and have a nice day.

-R3TR0 Z3R0

Answer:

186

Step-by-step explanation:

1114/6=185.6

then you round it cuz u cant sell .6 of a ticket

186

Answer:

Do you have a picture?

Step-by-step explanation:

Answer:

what is the math problem?

Step-by-step explanation: