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My name is Ann [436]
3 years ago
8

Can someone help me please ASAP

Mathematics
1 answer:
Mamont248 [21]3 years ago
6 0
Answer

25f + 100c <span>≤ 700

hope it  helps</span>
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How old is Sumalee if she was 16 years old<br> thirteen years ago?
nignag [31]

3

correct me if im wrongg!!!

8 0
2 years ago
Read 2 more answers
A sphere has a radius of 4x + 1. Which polynomial in standard form best describes the total surface area of the sphere? Use the
vampirchik [111]
Answer:
area = pi * (64x² + 32x + 4)
Using pi = 3.14:
area = 200.96 x² + 100.48 x + 12.56

Explanation:
We are given that:
area of sphere = 4 * pi * r²
radius = 4x + 1

Substitute with the radius in the given formula to get the area as follows:
area = 4 * pi * (4x+1)²
area = 4 * pi * (16x² + 8x + 1)
area = pi * (64x² + 32x + 4)

Using pi = 3.14:
area = 200.96 x² + 100.48 x + 12.56

Hope this helps :)

7 0
3 years ago
The table represents the distance covered by Emma over several hours on a recent Saturday bike ride. Becky takes the same route,
aleksandrvk [35]

Answer:

B

Step-by-step explanation:

Becky travels 0.5 miles per hour faster than Emma.

Emma's speed is 7.5 miles per hour. The slope of y = 8x, which is 8, is Becky's speed.

8 − 7.5 = 0.5 miles per hour faster

3 0
3 years ago
Read 2 more answers
(40 points + Brainliest for right answer).
exis [7]
The correct answer is C
8 0
3 years ago
Which value of x solves the equation cos x° = sin (20° + x°), where 0 &lt; x &lt; 90? A. 30° B. 35° C. 40° D. 45° E. 55°
daser333 [38]

Answer:

Option B (35°).

Step-by-step explanation:

To solve this question, the trigonometric identity sin x = cos (90-x) is required. It can also be written as cos x = sin (90-x). It can be seen that this identity holds when the two angles are complementary i.e. they sum up to 90 degrees. Therefore, the answer can be determined by substituting all the options one by one in the identity cos x = sin (20+x). If x=30 degrees, then x+20=50 degrees. 30 and 50 are not complementary. If x=35 degrees, then x+20=55 degrees. 35 and 55 are complementary since their sum is 90 degrees. Therefore, B is the correct choice!!!

4 0
3 years ago
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