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garik1379 [7]
3 years ago
12

Which statements about square roots are true? Check all that apply.

Mathematics
2 answers:
saw5 [17]3 years ago
7 0

2. All positive numbers have two square roots.

4. ✔️49= 7 because 7(7) = 49.

5. ✔️25= 5 because 52= 25.


<u>*These are the correct ones.</u>

Marina86 [1]3 years ago
4 0
Bottom two are true
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Problem Page Ann will run more than 38 miles this week. So far, she has run 21 miles. What are the possible numbers of additiona
krok68 [10]
She has run 21 miles already. Let t be the number of additional miles added on. 

In total, she has run t+21 miles 

This is going to be set greater than 38 since "Ann will run more than 38 miles"

So we have this inequality

t+21 > 38

we solve for t by subtracting 21 from both sides

t+21 > 38
t+21-21 > 38-21
t+0 > 17
t > 17

The final answer is t > 17

which means that the possible additional number of miles she could run is anything larger than 17. So t = 18 is one possibility. 
8 0
3 years ago
HELP ITS URGENT please
stich3 [128]
The correct answer is D.

A function cannot have an x-value that corresponds to more than one y-value.
In this table, the x-value '8' corresponds to two separate y-values; 8 and 5, making it invalid as a function.
7 0
3 years ago
The solution to 4p + 2 &lt; 2p + 5)​
Georgia [21]

After solving 4p + 2 < 2p + 5 we get p

Step-by-step explanation:

We need to solve

4p + 2 < 2p + 5

Solving

4p + 2 < 2p + 5

Subtract 2 from both sides:

4p + 2-2 < 2p + 5-2\\4p

Subtract 2p from both sides

4p

Divide both sides by 2p

\frac{2p}{2}

So, after solving 4p + 2 < 2p + 5 we get p

Keywords: Inequality

Learn more about inequality at:

  • brainly.com/question/1465430
  • brainly.com/question/1858613
  • brainly.com/question/10402163

#learnwithBrainly

7 0
3 years ago
Need help with sigma notation
Solnce55 [7]

Answer:

  • 114126  

Step-by-step explanation:

The given expression describes the GP with

<u>The first term:</u>

  • t = 80(1.23²⁻²) = 80(1.23⁰) = 80

<u>The common ratio: </u>

  • r = 1.23

It is required to find the sum of the terms from 2 (the bottom number of sigma) through 29 (the top number of sigma)

The number of terms is

  • n = 29 - 2 + 1 = 28

The sum of the first 28 terms is

  • Sₙ = t(rⁿ - 1)/(r - 1)
  • S₂₈ = 80(1.23²⁸ - 1)/(1.23 - 1) = 114125.75573 ≈ 114126 (rounded)
7 0
2 years ago
I really don't understand again explain please
BaLLatris [955]
Since 19 and 31 do not have a common factor, we know we need to make a ratio based on 19 and 31. We need to find the ratio of full parking spots to empty ones. This means that, since there are 19 full parking spots, that in the ratio 19 would be first. The ratio is 19:31
6 0
3 years ago
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