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IRINA_888 [86]
3 years ago
11

If cats prowl, mice will scatter. Mice are scattering

Mathematics
1 answer:
Nadusha1986 [10]3 years ago
8 0
The cat prowled and the mice scattered
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-) Simplify: V625<br> 15<br> 20<br> 23<br> 25
tresset_1 [31]
The answer 25 hope it helps
8 0
3 years ago
20. What is the value of y in the algebraic
Dennis_Churaev [7]

Answer: 17/7

Step-by-step explanation: Step 1: Simplify both sides of the equation. y+4/15 + 2y−5/5 = 2/5 1/15 y+ 4/15 + 2/5 y+−1= 2/5 (Distribute) ( 1/15 y+ 2/5 y)+( 4/15 +−1)= 2/5 (Combine Like Terms) 7/15 y+ −11/15 = 2/5 7/15 y+ −11/15 = 2/5 Step 2: Add 11/15 to both sides. 7/15 y+ −11/15 + 11/15 = 2/5 + 11/15 7 15 y= 17/15

7 0
2 years ago
Mark is solving the equation 4x2 + 2x = -9 using the quadratic formula.
Masteriza [31]
4x^2 + 2x = -9
4x^2 + 2x + 9 = 0

remember that the form of quadratic is ax^2 + bx + c = 0

so
a = 4
b = 2
c = 9
6 0
3 years ago
Find the coefficient of correlation between and X and Y if covariance between X and Y is 15 and the variance of X and Y are resp
IRINA_888 [86]

Answer:

0.95

Step-by-step explanation:

Correlation \ coefficient \   (r) = \dfrac{covaraince \  between \ X \ and \ Y }{SD_X \times SD_Y }

Correlation \ coefficient \   (r) = \dfrac{15 }{10^{1/2} \times 25^{1/2} }

Correlation \ coefficient \   (r) = \dfrac{15 }{3.162 \times 5 }

Correlation \ coefficient \   (r) = \dfrac{15 }{15.81 }

Correlation \ coefficient \   (r) \simeq 0.95

5 0
2 years ago
What is the retail price of something that cost $280 with a 75% mark up?
IgorLugansk [536]

Answer:

Hi. I am a math teacher. Your correct answer is 210. You're welcome!

6 0
3 years ago
Read 2 more answers
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