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zhuklara [117]
2 years ago
14

Directions: Evaluate the expressions below when x = 4 and y = 7. That means you should substitute a 4 in place of any x’s in the

expression and substitute a 7 in place of any y’s. After that, follow the standard order of operations to find the value of the expression. Write that value in the space provided.

Mathematics
1 answer:
ZanzabumX [31]2 years ago
6 0

Answer:

1, =28     (2) =11  (3)=15 (4)=11 (5)=22 (6)=55 (7)=5 (8)=6 (9)=33 (10)=23

Step-by-step explanation:

substitute and then do basic math

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A square is put together by two triangles. The hypotenuse is 11 cm and width of 8 cm. find the height of triangle?
Aleks [24]
You can use the pythagorean theorem. Make sure that you put the measurements in the right places though. Since 11 is the measure of the hypotenuse, 11 has to be c. When you plug in the information that you have, it should look like this:
8^2 + b^2 = 11^2

Square 8 and 11. 
64 + b^2 = 121

Subtract 64 from 121
121 - 64 = 57

The new equation is:
b^2 = 57

Now take the square root of both sides to get b by itself. 
b = about 7.5

Answer: The height of the triangle is 7.5

***** Note: I rounded the answer ********************************************
4 0
3 years ago
What is equivalent to 2 (m-4) + 1
natima [27]

Answer:

2m-7

Step-by-step explanation:

3 0
3 years ago
6xTo the -1st power times Y to the fifth power times 4X to the -4th power times Y to the -2nd power
Andrew [12]

i don't know how to type the answer out but it's on the work i just did ⬆️

7 0
3 years ago
I need not just the answer but the work written out
Mekhanik [1.2K]

Answer:

A(3) = -6 + (3 - 1) (5)

-6 + (2)(5)

-6 + (10)

4

A(4) = -6 + (4 - 1) (5)

-6 + (3)(5)

-6 + 15

9

A(10) = -6 + (10 - 1) (5)

-6 + (9)(5)

-6 + 45

39

6 0
3 years ago
2 1/5 + 1 3/5 = ??? Plz help
jok3333 [9.3K]

Answer:

3 \frac{4}{5}

Step-by-step explanation:

1) Add the whole numbers first.

3  + \frac{1}{5}  +  \frac{3}{5}

2) Join the denominators.

3 +  \frac{1 + 3}{5}

3) Simplify.

3 \frac{4}{5}

hence, the answer is 3 4/5.

5 0
3 years ago
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