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Citrus2011 [14]
4 years ago
11

H (x)=x^2-5 Find h (-7)

Mathematics
2 answers:
Sliva [168]4 years ago
8 0
H(-7)^2-5=49-5=44
Hope this helps!
nalin [4]4 years ago
3 0
H (-7) = (-7)^2 -5 = 49-5 = 44
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Find and simplify an expression for the area of two rows of b squares with side lengths of b centimeters. Please help!
Ronch [10]

Answer:

The complete area of the given figure is (2 b^3) cm^2

Step-by-step explanation:

Total number of rows = 2

Squares in each row = b

So, the total number of  squares in 2 rows = 2 x ( Squares in 1 row ) = 2 x  b

Also, side length of 1 square = b cm

As we know, AREA OF SQUARE  = SIDE x SIDE

So here, area of 1 square  = Side x side  = b cm  x b cm = (b^2) cm^2

⇒ The area of total (2b) squares  = 2 b x ( Area of  1 square)

= 2 b \times (b^2)  = 2 b^3

Hence, the complete area of the given figure is (2 b^3) cm^2

6 0
3 years ago
The length of a rectangular storage room is 3 feet longer than its width. if the area of the room is 40 square feet, find the wi
Luda [366]
Here is a hint: do a substitution.
8 0
4 years ago
What is the midpoint of the segment shown below?
Amanda [17]

Answer:

answer is c (0,2)

hope it helps

7 0
2 years ago
Ray SP bisects mZRST.<br> If m RSP = 3X – 2 and m PST = 9x -26<br> Answer: Find : mZRST
ludmilkaskok [199]

Answer:

RST = 20

Step-by-step explanation:

a ray that divides an angle into two equal angles is called an angle bisector.

So RSP = PST

3 x -2 = 9x - 26

6x = 24

x = 4

RST = 3x -2 + 9x -26 = 20

5 0
3 years ago
Express the perimeter of the following
Yuri [45]

<u>Answer:</u>

  • <u>8n - 4.</u>

<u>Step-by-step explanation:</u>

  • Perimeter: 2B + 2L
  • => 2(3n - 7) + 2(n + 5)
  • => 6n - 14 + 2n + 10
  • => 8n - 4

<u>Conclusion:</u>

Therefore, the perimeter in terms of n is 8n - 4.

Hoped this helped.

BrainiacUser1357

6 0
3 years ago
Read 2 more answers
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