Mathematics High School

its it a. c or d thanks for helping me ​

Its It A. C Or D Thanks For Helping Me

Answers

Answer 1

Answer:

B

Step-by-step explanation:

Answer 2

Answer:

It's d

Step-by-step explanation:

It's d because 12 + 8=20 while 12 + 6=18

I hope this helps

Related Questions

Find the missing angle in the triangle.





Question 1 options:

A. 90°


B. 25°


C. 108°


D. 130°

Answers

180 - (61+29) = 90
The answer is 90

Answer:

A. 90 degrees

Step-by-step explanation:

a triangle has a total of 180 degrees in all of its angles combined (excluding the outside angles).

61+29=90

180-90=90

Rodrigo's math certificate is 20 centimeters tall and 27 centimeters wide. Rodrigo wants to put the certificate in a fancy frame that costs $1.57 per centimeter. How much will it cost to frame Rodrigo's math certificate?

Answers

Answer:

the cost that used to frame the math certificate is $847.80

Step-by-step explanation:

The computation of the cost that used to frame the math certificate is shown below:

= 27 wide × 20 tall × $1.57 per centimeter

= $847.80

Hence, the cost that used to frame the math certificate is $847.80

The expression 4h−3 factored is

Answers

Answer:

prime

Step-by-step explanation:

this equation is not factorable

Jane Martin-Smith and her husband deposited $500 in an account on their wedding day and each subsequent anniversary. The money was deposited in an account that pays 7 percent compounded annually. How much will they have on their 25th anniversary?

Answers

Answer:

On their 25th anniversary, their account will have $850

Step-by-step explanation:

7% per year for 25 years is 170%

170% of 500 is 850

I hope this helps!

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WILL VOTE BRAINLIEST
What are the x-intercepts of the quadratic function?

f(x)=x2+6x−27

Enter your answers in the boxes.

Answers

x=-9
x=3
use x factor

The number of students enrolled at a college is 16,000 and grows ​6% each year. Complete parts ​(a) through ​(e).

Answers

What if you add 16,000

Simplify the expression. 4(11 + 7) ÷ (7 – 5) 40 36 47 5

Answers

Answer:

36

Step-by-step explanation:

[tex]8.859 {}^{ - 7} [/tex]

help me pls it’s not too much!

Answers

9,240 yards = 5.25, or 5 1/4 miles.

Angles α and β are angles in standard position such that: α terminates in Quadrant I and sinα = 3/5 β terminates in Quadrant III and tanβ = 5/12 . Find sin(α - β).

Answers

Answer:

-16/65

Step-by-step explanation:

Given sinα = 3/5 in quadrant 1;

Since  sinα = opp/hyp

opp = 3

hyp = 5

adj^2 = hyp^2 - opp^2

adj^2 = 5^2 = 3^2

adj^2 = 25-9

adj^2 = 16

adj = 4

Since all the trig identity are positive in Quadrant 1, hence;

cosα = adj/hyp = 4/5

Similarly, if tanβ = 5/12 in Quadrant III,

According to trig identity

tan theta = opp/adj

opp = 5

adj = 12

hyp^2 = opp^2+adj^2

hyp^2 = 5^2+12^2

hyp^2 = 25+144

hyp^2 = 169

hyp = 13

Since only tan is positive in Quadrant III, then;

sinβ = -5/13

cosβ = -12/13

Get the required expression;

sin(α - β) = sinαcosβ - cosαsinβ

Substitute the given values

sin(α - β) = 3/5(-12/13) - 4/5(-5/13)

sin(α - β)= -36/65 + 20/65

sin(α - β) = -16/65

Hence the value of sin(α - β) is -16/65

What is the constant of proportionality in the table shown ?

Answers

Answer:

9

Step-by-step explanation:

One number is 4 more than another, and their sum is 60. What is the smaller number?



If x = the larger number and y = the smaller number, then which of the following systems could be used to solve the problem?

x + y = 60 and -x + y = 4
x + y = 60 and x + y = 4
x + y = 60 and x - y = 4
Unlimited Attempts Remain

Answers

Answer:

Step-by-step explanation:

The system is

x+y=60 and x-y=4

If we get the difference between the two equations above we get

x+y-x+y=60-4

2y=56

y=28

What is the measure of an angle that is supplementary to an angle that measures 101°? (Type number only)

Answers

180 - 101 = 79
Supplementary mean that the two angle measures add up to equal 180

(-4,-6) perpendicular to the line y=2x+5

Answers

Here you go!! Hope this helps

What is the surface area of a sphere with a radius of 30 m?

Answers

Answer:

The surface area A of a sphere:

A=4πr^2

r - the radius

r=30 m

A=4π×30 ^2 =4π×900=3600π [m ^2 ]

Surface area = 3600π [m ^2 ]


Determine whether the triangle is acute, right, or obtuse given the sides: 11, 14, 20

Answers

Answer:

317 < 400

The Sum of the squares of the smaller 2 sides (121 + 196 = 317)  < longest side squared (400) So, it is an  OBTUSE SCALENE TRIANGLE.

Source: http://www.1728.org/triantest.htm

Step-by-step explanation:

For all the values of x,
f(x)=2x^2 and g(x)=x+1
Solve fg(x)=gf(x)

Answers

Answer:

if f(g(x)) = g(f(x)), then x is equal to zero.

Step-by-step explanation:

given:

f(x) = 2x²

g(x) = x + 1

then:

f(g(x)) = 2(x + 1)²

g(f(x) = 2x² + 1

so if:

f(g(x)) = g(f(x))

then:

2(x + 1)² = 2x² + 1

2(x² + 2x + 1) = 2x² + 1

2x² + 2x + 1 = 2x² + 1

2x = 0

x = 0

Please help with algebra, due soon. Worth good amount of points. I'll give thanks and brainliest too.

Answers

Answer:

(9)3v^4+7v^3-2

Step-by-step explanation:

First open brackets

Then group like terms

and work it out

Find the area of a regular pentagon with a side of 5cm round to nearest tenth

Answers

Answer:

43 cm^2

Step-by-step explanation:

tan 72/2 = 0.7265

0.7265 = 0.5(5)/h

h = 3.44

3.44 x 5 x 0.5 = 8.6

8.6 x 5 = 43 cm^2

A line passes through the point (-8, 1) and has a slope of -
3
4
Write an equation in slope-intercept form for this line.

Answers

Answer: y = 0.6x + 5.8

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Answers

Answer:

No spam no help

Step-by-step explanation:

The answer is D your welcome

Suppose 0 is an angle in the standard position whose terminal side is in Quadrant IV and cot0= -9/18 Find the exact values of the five remaining trigonometric functions of 0

Answers

Answer:

qfvgàwq sewaro kámí leotaní

i need help lol pls points

Write all three forms (slope intercept, point slope and standard) of a line containing the points (4, -11/3) and (1/2, -29/6).

Answers

Answer:

See explanations below

Step-by-step explanation:

Slope intercept form of the equation is expressed as y = mx+b

m is the slope

b is the intercept

Given the coordinates (4, -11/3) and (1/2, -29/6)

Slope m = -29/6-(-11/3)÷(1/2-4)

m = (-29/6+11/3)÷(-7/2)

m = -29+22/6÷(-7/2)

m = -7/6÷(-7/2)

m = -7/6×2/-7

m = 2/6

m = 1/3

Get the intercept b

Substitute m= 1/3 and (4, -11/3) into y = MX+b

-11/3 = 1/3(4)+b

-11/3 = 4/3+b

b= -11/3-4/3

b= -15/3

b =-5

Get the required equation

y = 1/3 x -5 (slope-intercept form)

Point slope form of the equation is expressed as y-y0 = m(x-x0)

Substituting m = 1/3 and the point (4,-11/3)

x0 = 4

y0 = -11/3

y - (-11/3) = 1/3(x-4)

y+11/3 = 1/3(x-4) (point-slope form)

For standard format

Recall that y = 1/3x - 5

Multiply through by 3

3y = 1/3x(3)-5(3)

3y = x-15

3y-x = -15(standard form)

I dont know what this is pls help​

Answers

Answer:

Plane

Step-by-step explanation:

The definition of a Plane is "In mathematics, a plane is a flat, two-dimensional surface that extends infinitely far."

It couldn't be a Ray or a Line Segment because a Ray has 1 end point, and a Line Segment has 2.

It also couldn't be a Line because a Line is only 1 dimensional.

The answer has to be Plane.

help plz will give brainiest

Answers

Answer:

The answer is  B

[tex]\frac{1}{x^{2} -4x+3}[/tex]

Step-by-step explanation:

HELPPPPP PLEASEEEEE
which representation shows y as a function of x?

Answers

The answer is B. It follows the vertical line test

This is for algebra 1

Answers

(732,837329).............

Which answer represents the series in sigma notation?

1+12+14+18+116+132+164




∑j=1712(j+1)

∑j=17(12)j−1

∑j=1712j+1

∑j=172j−1

Answers

Answer: The answer is the second one: ∑j=17(12)j−1

Step-by-step explanation:

In ΔOPQ, the measure of ∠Q=90°, PQ = 1.8 feet, and OP = 7.4 feet. Find the measure of ∠P to the nearest degree.

Answers

Answer:

P=75.922 ≈ 76

∘Step-by-step explanation:

What function uses the ADJACENT and the HYPOTENUSE?

SOH-CAH-TOA

cos P = adjacent/hypotenuse= 1.8/7.4

Pcos^-1 = (1.8/ 7.4)

​

P=75.922 ≈ 76

Grace drew a triangle. Its sides were 6 mm. 7 mm and 11 mm.
It has one obtuse and two acute angles.
Complete the sentence to describe the triangle Grace drew.

Answers

Answer:

That would be an obtuse-scalene triangle.

Step-by-step explanation:

It is scalene because none of the sides are congruent. This means that none of the angles or sides are the same.

Which of the following is not the test of similarity?
A) AAA test B) SAS test C) SAA test D) SSS test

Answers

Answer:

AAA test

Step-by-step explanation:

AAA is not test of similarity

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