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guajiro [1.7K]
3 years ago
15

4 (X+7) = 38 WHAT IS X AND EXPLAIN HOW YOU KNOW

Mathematics
2 answers:
Rufina [12.5K]3 years ago
8 0

Answer:

X is 2.5

Step-by-step explanation:

4÷4=1

38÷4=9.5

9.5 - 7=2.5

Therefore X is 2.5

Hope this helps!

xxMikexx [17]3 years ago
7 0

Answer:

X=2.5

Step-by-step explanation:

38÷4 = 9.5

9.5 - 7=2.5

Divide each side by four to get rid of that numbr from the elft and subtract seven from both sides to get rid of the seven so your left with x=2.5

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Answer:

true, negative, negative

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3 years ago
6х + Зу = 12<br>solve for y ​
gizmo_the_mogwai [7]

Answer:

3.

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Rearrange to make it easier:  6*x+3*y-(12)=0

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7 0
3 years ago
The local Toyota dealership pays an average of $9,260 with a standard deviation of $1099 for used car trade-ins. They sell new c
Flauer [41]

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3 years ago
An engineer is trying to design a runway for an airport. He knows that airplanes have the ability to accelerate at 3.3 m/s ^ 2 a
chubhunter [2.5K]

Answer:

The proposed 1600 meters runway length is not long enough

Step-by-step explanation:

The given parameters are;

The amount by which a plane can accelerate = 3.3 m/s²

The time it takes for a plane to lift off the ground = 35 seconds

The length of the runway on the blueprint = 1,600 meters

Therefore, from the equation of motion for distance traveled, s, acceleration, a, and time taken, t, we have;

s = u·t + 1/2·a·t²

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u = The initial velocity

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Given that all planes will start motion from rest, we have;

u = 0 m/s

Therefore;

s = 0 × 35 + 1/2 × 3.3 × 35² = 2021.25 meters

Which indicates that the length of the runway a plane would need for take off should be at least 2021.25 meters long, therefore, the blueprint's 1600 meters runway length is not long enough.

7 0
4 years ago
a cellular telephone tower casts a shadow that is 72 feet long. while a nearby tree that is 27 feet tall casts a shadow that is
timurjin [86]
Shadow length is proportional to object height.
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The cellular telephone tower is 324 ft tall.
8 0
4 years ago
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