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Blizzard [7]
2 years ago
7

Calculate:

Mathematics
1 answer:
Dvinal [7]2 years ago
3 0

Answer:

I don't need your brainliest mark but your answer is given below:

Step-by-step explanation:

A) (30/100) × 50 = 15

B) (45/ 100 ) × 2000 = 900

C) ( 4/ 100 ) × $70 = 2.8

D) ( 2.5/ 100) × 5000 = 125

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I NEED HELP!!!
oksano4ka [1.4K]

Answer:

x= -2, y = -3

Step-by-step explanation:

1. substitute x = 4+2y in the first equation: \begin{bmatrix}2\left(4+2y\right)+y=-7\end{bmatrix}

simplify it : \begin{bmatrix}8+5y=-7\end{bmatrix}

2. isolate y in 8 + 5y = -7 --> 5y = -7 - 8 -->

3. solve for y:  5y = -15 --> y = -15/5 --> y= -3

4. solve for x: x = 4 + 2y

x = 4 + 2(-3)

x = 4 + (-6)

x = -2

6 0
2 years ago
What is area of this shape
german

Answer:

132 ft squared

Step-by-step explanation:

One way is to divide the shape into a rectangle and a triangle, by drawing a vertical line.

This gives a rectangle that is 9 by 11, so has area 99.

The triangle has a base of 11 and height of 15 - 9 = 6.

So the area of the triangle = 1/2 x b x h = 1/2 x 11 x 6 = 33

So the total area is 99 + 33 = 132.

5 0
3 years ago
What is the square root of 100 times two divided by two
gogolik [260]

Answer:

10 is your answer

Step-by-step explanation:

√((100 * 2)/2)

Simplify. First, follow the Parenthesis. Combine 100 with 2

100 * 2 = 200

Next, divide by 2

200/2 = 100

Root 100

√100 = √10 * √10 = 10

10 is your answer

~

An easier way to solving this is to first cancel out the 2's ( multiplying 2 and dividing 2 would do nothing), and just square rooting 100, giving you the answer 10.

~

8 0
3 years ago
Read 2 more answers
The graph of f(x)=cos(x) is transformed to a new function, g(x), by stretching it horizontally by a factor of 4 and shifting it
pshichka [43]
I hope this helps you :)

4 0
2 years ago
PLEASE HELP WILL GIVE POINTS
Alexxx [7]

The rate of change is meaning the slope. The slope of A is 8, therefore, the answer would be 7.

hope this helps :)

3 0
2 years ago
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