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enot [183]
3 years ago
8

If Mark 12 times older than his brother and his brother is 7 times younger how old his brother​

Mathematics
1 answer:
krok68 [10]3 years ago
3 0

Answer:

word

Step-by-step explanation:

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A Speedboat increases in speed uniformly from 20m/s to 30m/s for 12.2 s. What is the acceleration of the speedboat?
Aloiza [94]

Answer:

0.82 m/s^2

Step-by-step explanation:

Given data

initial velocity=20m/s

Final velocity= 30m/s

Time = 12.2s

Applying the formula

a= v-u/t

a= 30-20/12.2

a= 10/12.2

a= 0.819

a=0.82 m/s^2

6 0
3 years ago
Brand X costs $1.56 for 12 ounces. Brand Y costs 2 cents more per ounce. What is the cost of 15 ounces of brand Y?
hichkok12 [17]

Brand X costs $1.56 for 12 ounces

Brand X: cost of each ounce = $1.56 / 12 = $0.13

Brand Y costs 2 cents more per ounce, so the cost of brand Y per ounce= $0.13 + $0.02 = $0.15

The cost of 15 ounces of brand Y = $0.15 x 15 = $2.25

Answer

$2.25

7 0
4 years ago
The coefficient of 6x is _____?<br> A.6<br> B.x<br> C.1
ArbitrLikvidat [17]
A.6 
<span>because a coefficient is the numerical constant quantity placed before and multiplying the variable in an algebraic expression. (eg 5x so the coeff is 5)</span><span />
7 0
4 years ago
Read 2 more answers
Which equations represent inverse variation? Check all that apply.
Bogdan [553]
For this case, what you should know is that the equations that represent an inverse variation are those that could not form a straight line, for example.

 We have then:
 Equation 1:
 pv = 13
 Rewriting:
 p = 13 / v
 P and v are represent an inverse variation.
 Equation 2:
 z = (2 / x)
 z and x are represent an inverse variation.
 Answer:
 
equations represented inverse variation are:
 pv = 13
 z = (2 / x)
4 0
3 years ago
Read 2 more answers
(y+1)^5 divided by (y+1)^2<br><br>will mark brainliest
Sergeeva-Olga [200]

Answer:

(y+1)^3

Step-by-step explanation:

When dividing powers, subtract them. Therefore, 5-2 = 3. So, (Y+1)^5/(Y+1)^2 = (Y+1)^3

4 0
3 years ago
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