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kirill115 [55]
3 years ago
14

Pleaaaseeeee hellpppp I'm begging :(!!!!!!!! I nee an answer for number 12 pleaaaseee !! For brainlest and thanks :))

Mathematics
1 answer:
VladimirAG [237]3 years ago
6 0

31.25/5 = 6.25 per hour

50/8 =6.25 per hour

 so 6.25 x 3 = 18.75 for 3 hours

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Calculate the value of the expression 18/-3
alexgriva [62]

Answer:

-6

Step-by-step explanation:

Any number that is divided by a negative number is a negative number as an answer which is -6.

7 0
3 years ago
Read 2 more answers
PLSS HELP ASAP TYSM <33 SORRY I COULDN'T FIND SCIENCE LOLL ​
dimaraw [331]

Answer:

Rock D.

Step-by-step explanation:

We can assume that the force that the catapult does is always the same.

So, here we need to remember Newton's second law:

F = m*a

force equals mass times acceleration.

Where acceleration is the rate of change of the velocity.

So, if we want the rock to hit closer to the catapult, the rock must be less accelerated than rock B.

So, we can rewrite:

a = F/m

So, as larger is the mass of the rock, smaller will be the acceleration of the rock after it leaves the catapult (because the mass is in the denominator). So if we want to have a smaller acceleration, we need to choose a rock with a larger mass than rock B.

Assuming that the mass depends on the size, the only one that has a mass larger than rock B is rock D.

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5 0
3 years ago
Give that 5x=3(mod7)find x
pychu [463]

Answer Below!

Answer That

5 0
3 years ago
What is the correct value of z?<br> A. Z=12<br> B. Z=13<br> C. Z=10<br> D. Z=11
inna [77]
<h3>Answer:  A) z = 12</h3>

==========================================

Work Shown:

RS = RT

2z-15 = 9

2z = 9+15

2z = 24

z = 24/2

z = 12

The reason why RS is equal to RT in the first equation is because we have an isosceles triangle. Recall that any isosceles triangle has exactly two sides the same length, and the opposite base angles are congruent to one another. The congruent angles are indicated with the single arcs.

In short: the base angles S and T are congruent, so the opposite sides RS and RT are the same length. This leads to RS = RT.

3 0
2 years ago
7 1/3 + 5 5/6 sum up as a fraction please 100 points
beks73 [17]

Answer:

The answer is 13 1/6

Step-by-step explanation:

The answer is 18 because 7 1/3 turns into 7 2/6 and 7 * 6 is 42 and 42 plus 2 is 44. Next You turn 5 5/6 into a improper fraction which turns into 35/6 and 35 plus 44 is 79/6 and 79/6 simplified is 13 1/6

3 0
2 years ago
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