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fenix001 [56]
3 years ago
9

Does someone know the answer to this ?13 & 14​

Mathematics
1 answer:
frez [133]3 years ago
7 0
The first x should be 12. The sides are multiplied by 4. To find the missing side multiply the corresponding side by 4. 3x4=12. Another x should equal 63 as the sides are multiplied by 9. Multiply 7x9=63.
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if a cart started rolling down a hill at 2 m/s, and 5 seconds later it was moving at 12 m/s, what was the carts accelaration
irga5000 [103]

Answer:

2 m/s^2

Step-by-step explanation:

Acceleration is the rate at which the speed changes.

a = (new speed - old speed)(time)

a = (12 m/s - 2 m/s)/(5 s)

a = (10 m/s)/(5 s)

a = 2 m/s^2

7 0
3 years ago
The histogram shows the number of text messages sent by two high school juniors on one monday. Which statement most reasonably e
beks73 [17]

Answer:

The students where asleep and did not have phones turned on.

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
124 7/8 gallons of water drained from a pool in 25 minutes how much water drained from pool each minute
boyakko [2]

first off, let's convert the mixed fraction to "improper", and then check,

\bf \stackrel{mixed}{124\frac{7}{8}}\implies \cfrac{124\cdot 8+7}{8}\implies \stackrel{improper}{\cfrac{999}{8}}\\\\ -------------------------------\\\\ \begin{array}{ccll} \stackrel{water}{gallons}&minutes\\ \text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\ \frac{999}{8}&25\\\\ x&1 \end{array}\implies \cfrac{\quad \frac{999}{8}\quad }{x}=\cfrac{25}{1}\implies \cfrac{\quad \frac{999}{8}\quad }{\frac{x}{1}}=25

\bf \cfrac{999}{8}\cdot \cfrac{1}{x}=25\implies \cfrac{999}{8x}=25\implies 999=200x \\\\\\ \cfrac{999}{200}=x\implies \stackrel{gallons}{4\frac{199}{200}}=x

4 0
4 years ago
PLEASE HELP I WILL MAKE YOU BRAINLIST!!!
ArbitrLikvidat [17]

Answer:

25x^2 = x + 3

Step-by-step explanation:

So, the square of 5 times the number is (5x)2 which equals 25 x2.

 

But that is equal to three more than the number, or x + 3.

in your format it would be x+3=25x^2.

4 0
3 years ago
Jackson School's spelling bee started at
irina [24]

Answer:

The answer is A) 1 hour and 10 minutes

Step-by-step explanation:

7 0
4 years ago
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