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djverab [1.8K]
3 years ago
12

PLEASE HELP WILL

Mathematics
2 answers:
Paha777 [63]3 years ago
7 0
S=22.17
Step-by-step explanation:
v/r=u/s
18/19=21/s
18s=21(19)
18s=399
18s/18=399/18
s=22.17
Cerrena [4.2K]3 years ago
5 0
Someone already answered it & yes there is correct !!
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If a line has a slope of 2 and contains the point (-2, 1), what is its equation in
Lapatulllka [165]

Answer:

D

Step-by-step explanation:

the equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b ) a point on the line

here m = 2 and (a, b ) = (- 2, 1 ) , then

y - 1 = 2(x - (- 2)) , that is

y - 1 = 2(x + 2)

5 0
2 years ago
This figure has two intersecting lines and a ray.
Minchanka [31]

Answer:

Value of x is 90°

Step-by-step explanation:

Why?Imagine it as a shape of circle.

Circle has a measurement total of 360°

Semi cirlcle(half of the circle) is equivalent to 180

Now,

The bottom semi circle has a 146°

The top has a 56°

You can simply compute it by subtracting them.

146 - 56 = 90

3 0
3 years ago
With explanation plz..<br><br> ( -2) + 9 * 10<br><br><br><br> Order of Operation
kondor19780726 [428]
Parentheses, Exponent, Multiply, Division, Addition, Subtraction is your order (aka PEMDAS). Multiply 9x10 which gives you 90, then add -2 (or subtract 2) and your answer is 88.
3 0
3 years ago
Read 2 more answers
What is the slope of the line that contains the points (-2,5) and (6-3)
sashaice [31]

Answer: m = -1

Step-by-step explanation: In this problem we're asked to find the slope of the line that contains the points (-2,5) and (6,-3).

Using our slope formula, we take the <em>second y</em> minus <em>the first y</em> which in this case is -3 - 5 over our<em> second x </em>minus <em>our first x </em>which in this case is 6 - -2.

-3 - 5 simplifies to -8 and remember that minus a negative can be thought of as plus a positive so 6 - (-2) can be thought of as 6 + (+2) which is 8.

Now we have -8/8. Notice that our slope can be simplified one step further so we have <em>m = -1</em>.

The variable that's used to represent slope is <em>m</em>.

3 0
2 years ago
Use the distributive property to rewrite the expression 6(5-q)
ludmilkaskok [199]
Hi there!
We are asked to use the distributive property to rewrite the expression 6(5 - q). Using the distributive property, we get 6(5) - 6(q). When we simplify, we get 30 - 6q, which is our answer. Hope this helps!
7 0
3 years ago
Read 2 more answers
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