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mylen [45]
2 years ago
9

Use the number line below, where RS = 4y + 2, ST = 3y + 7, and RT = 44.

Mathematics
1 answer:
hodyreva [135]2 years ago
4 0

Answer:

Y = 5

Step-by-step explanation:

RT = RS + ST

44 = 4y + 2 + 3y + 7

44 -2 -7 = 7y

35 = 7y

y = 5

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What is the area of the parallelogram below?
andreyandreev [35.5K]

Answer:

8

Step-by-step explanation:

length = 4

width= 2

4 x 2 = 8

Just count the squares like you would normally do to a rectangle and do the area like you would normally do with a rectangle

5 0
3 years ago
Idk the answer can u help me
valentinak56 [21]

The answer is C) 67

Angle FGE is a right angle so it is 90 degrees and angle AGF is the same as CGD so it is 23 degrees.

Add angle FGE and angle AGF together (90 + 23 = 113) and subtract that by 180 (180 - 113 = 67)

3 0
3 years ago
Can someone help me on this math question pls I have 12 more questions I need help on too !
love history [14]

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5 0
3 years ago
Find the circumference of the circle. Then, find the length of each bolded arc. Use appropriate notation
Vaselesa [24]

Answer:

\text{1) }\\\text{Circumference: }24\pi \text{ m}},\\\text{Length of bolded arc: }18\pi \text{ m}\\\\\text{3)}\\\text{Circumference. }4\pi \text{ mi},\\\text{Length of bolded arc: }  \frac{3\pi}{2}\text{ mi}

Step-by-step explanation:

The circumference of a circle with radius r is given by C=2\pi r. The length of an arc is makes up part of this circumference, and is directly proportion to the central angle of the arc. Since there are 360 degrees in a circle, the length of an arc with central angle \theta^{\circ} is equal to 2\pi r\cdot \frac{\theta}{360}.

Formulas at a glance:

  • Circumference of a circle with radius r: C=2\pi r
  • Length of an arc with central angle \theta^{\circ}: \ell_{arc}=2\pi r\cdot \frac{\theta}{360}

<u>Question 1:</u>

The radius of the circle is 12 m. Therefore, the circumference is:

C=2\pi r,\\C=2(\pi)(12)=\boxed{24\pi\text{ m}}

The measure of the central angle of the bolded arc is 270 degrees. Therefore, the measure of the bolded arc is equal to:

\ell_{arc}=24\pi \cdot \frac{270}{360},\\\\\ell_{arc}=24\pi \cdot \frac{3}{4},\\\\\ell_{arc}=\boxed{18\pi\text{ m}}

<u>Question 2:</u>

In the circle shown, the radius is marked as 2 miles. Substituting r=2 into our circumference formula, we get:

C=2(\pi)(2),\\C=\boxed{4\pi\text{ mi}}

The measure of the central angle of the bolded arc is 135 degrees. Its length must then be:

\ell_{arc}=4\pi \cdot \frac{135}{360},\\\ell_{arc}=1.5\pi=\boxed{\frac{3\pi}{2}\text{ mi}}

8 0
3 years ago
A room that contains 28 square yards was carpeted at a cost of $322. If
ASHA 777 [7]

The cost for carpeting 20 square yards is $230.

Further explanation:

First of all, we will calculate the cost for one square yard then will find the final answer.

So,

Given

Total area = 28 square yards

Cost of carpeting 28 square yards = $322

Cost of carpeting one square yard = 322/28 = $11.5 per square yard

Now to find the cost of carpeting 20 square yards

Cost of 20 square yards = 20*11.5

= $230

The cost for carpeting 20 square yards is $230.

Keywords: Costing, Word Problems

Learn more about costing at:

  • brainly.com/question/3950386
  • brainly.com/question/4021035

#LearnwithBrainly

3 0
3 years ago
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