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satela [25.4K]
3 years ago
15

4 times a number, increased by 7

Mathematics
2 answers:
yulyashka [42]3 years ago
5 0
4x+7 if i'm not mistaken
Naddik [55]3 years ago
4 0
4x + 7 <=== ur expression
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How many feet long 72 inches
jarptica [38.1K]
You need to know how many inches are in 1 foot.

1 foot / 12 inches

There are 12 inches in 1 foot. So...

72 inches <span>× 1 foot / 12 inches

72/12 = 6 feet

There is your answer.

</span>
3 0
3 years ago
3x-2y=-1 and 3x-2y=9 solve using elimination
luda_lava [24]
You can put them vertically
then subtract them
but if you do it, it will be 0=-10 that doesn't make sense. 
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3 0
4 years ago
If the beginning temperature was -13 degrees at 5:00 a.m. what was the temperature at 9:00 a.m
Aleks04 [339]

<u><em>Answer:</em></u>

-23.4 at 9:00 a.m.

<u><em>Step-by-step explanation:</em></u>

Make a ratio with the given numbers: -13, 5.

I believe the "common number" for the ratio of 1 a.m. would be:

2.6<u> : </u>1 times 9 = 23.4<u> </u><u>:</u><u> </u>9

7 0
4 years ago
Plz help ASAP!! Explain your answer! I will mark at brainliest!!!
Rina8888 [55]

Answer:

A. 16.12 ft  B.  9.64 ft

Step-by-step explanation:

For both of these, you need Pythagorean's Theorem because we have right triangles.  In part A, we are given 2 legs and are asked to find the length of the hypotenuse:

14^2+8^2=PR^2 and

196+64=PR^2

and PR = 16.12 ft

In part B, we are given the length of the hypotenuse and side PQ remains the same:

14^2+QR^2=17^2 and

196+QR^2=289

QR^2=289-196 so

QR = 9.64 ft

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3 years ago
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The sea turtle can swim 27 metres in 3 seconds
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