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hodyreva [135]
3 years ago
10

Help me with this math problem please

Mathematics
2 answers:
AnnyKZ [126]3 years ago
7 0
The answer is 4 to the power of 0
lianna [129]3 years ago
3 0
The expression
{4}^{5}  \times  {4}^{ - 7}  \div  {4}^{ - 2}
is the same as
\frac{ {4}^{5}  \times  {4}^{ - 7} }{ {4}^{ - 2} }
Which, if we switch the negative exponents, equals
\frac{ {4}^{5} \times  {4}^{2}  }{ {4}^{7} }
And if we combine them, they equal
\frac{ {4}^{7} }{ {4}^{7} }
Then we divide, and they equal
{4}^{0}
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Solve by completing the square. x2^+8x= -20
Schach [20]

Step-by-step explanation:

x2^+8x=-20

9x^2=20

x^2=20-9

x^2=11

√x^2=√11

x=√11

3 0
3 years ago
Yolanda is planning to put a pool in her backyard. The scaled model below gives the reduced measures for diameter and depth. Not
VMariaS [17]
Correct Answer: 
C option: 6 feet

Solution:
Since <span>Yolanda wants to keep the pool in proportion to the model, the ratio of diameter to depth of model and the pool will be same.

Let the depth of pool is x feet. So we can write:

Ratio of Diameter to Depth of Model = Ratio of Diameter to Depth of pool
</span>18:4=27:x \\  \\ &#10; \frac{18}{4} = \frac{27}{x} \\  \\ &#10;x=27* \frac{4}{18}  \\  \\ &#10;x=6
<span>
This means the depth of pool should be 6 feet if </span><span>Yolanda wants to keep the pool in proportion to the model.</span>
7 0
3 years ago
Read 3 more answers
What rule would you use to translate a triangle 4 units to the right?
Novay_Z [31]

Answer:

here is what i found also you could of looked it up

Step-by-step explanation:

(x,y)→(x+4,y)

6 0
3 years ago
Mike measured the stage where his band was going to play to determine if it is a right triangle. Does the stage with side length
katrin [286]

Answer:

let

hypotenuse[h]=60ft

base[b]=36ft

perpendicular [p]=48ft

by using Pythagoras law

p²+b²=h²

48²+36²=60²

2896≠3600

since p²+b²≠ h²[<u>so</u><u> </u><u>the</u><u> </u><u>stage</u><u> </u><u>is</u><u> </u><u>not</u><u> </u><u>in</u><u> </u><u>a</u><u> </u><u>right</u><u> </u><u>angled</u><u> </u><u>tria</u><u>ngle</u><u>]</u><u>but</u><u> </u><u>it</u><u> </u><u>is</u><u> </u><u>scalene</u><u> </u><u>triangle</u>

7 0
2 years ago
Please help me and I’ll give you brainiest!!!!!!!!!
Anon25 [30]

Answer:

x=-3

Step-by-step explanation:

This is a graph with a super steep slope. So this graph is x=-3. So u are correct!

6 0
2 years ago
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