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finlep [7]
3 years ago
5

Ayudaaa se los agradeceria

Mathematics
1 answer:
jekas [21]3 years ago
7 0

Answer:

-2

Step-by-step explanation:

since the base are the same you add the exponent.

4x+2 + 2x-1= -3x-17

4x+2x +3x =-17-2+1

9x =-18

x=-2

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Emily needs enough Fabric for 3 1/2 hats. Since she has half a hat done. If each bag requires 1 2/7 ft of Fabric, how much fabri
kow [346]

first off let's convert the mixed fractions to improper fractions.

\stackrel{mixed}{3\frac{1}{2}}\implies \cfrac{3\cdot 2+1}{2}\implies \stackrel{improper}{\cfrac{7}{2}} ~\hfill \stackrel{mixed}{1\frac{2}{7}}\implies \cfrac{1\cdot 7+2}{7}\implies \stackrel{improper}{\cfrac{9}{7}}

she already did half a hat, so we can say   \cfrac{7}{2}-\cfrac{1}{2}\implies \cfrac{7-1}{2}\implies 3

so she only needs enough fabric to make 3 more full hats, we know each one uses 9/7 ft, so

3\cdot \cfrac{9}{7}\implies \cfrac{27}{7}\implies 3\frac{6}{7}

5 0
2 years ago
What are the steps to solving this? 70-8x=56+x
guapka [62]

Answer:

x = 14/9

Step-by-step explanation:

70 - 8x = 56 + x

- 8x - x = 56 - 70

- 9x = - 14

- x = - 14/9

x = 14/9

7 0
4 years ago
Read 2 more answers
The image of (-6,6) after a dilation by a scale factor of 5 centered at the<br> а
Setler79 [48]
Answer is (24,-24)

Explanation:
Dilation centered at the origin multiplies each coordinate by the dilation factor.
image= 4(6,-6)
image= (24,-24)
8 0
2 years ago
What are the coordinates of B
Kitty [74]

The coordinates of B are (14, -10).

<h3>How to find mid point?</h3>

The midpoint is already know . we can use it to find the coordinates of B.

Therefore,

(xₙ, yₙ) = (x₁ + x₂ / 2, y₁ + y₂ / 2)

Hence,

M(5, - 4) and A(-4, 2)

The coordinates of B are as follows:

(5, - 4)  = (-4 + x₂ / 2 , 2 + y₂ / 2)

5 = -4 + x₂ / 2

10 = -4 + x₂

x₂ = 14

hence,

-4 = 2 + y₂ / 2

-8  = 2 + y₂

y₂ = - 10

Therefore, the coordinates of B are (14, -10)

Learn more about midpoint here: brainly.com/question/25377004

#SPJ1

7 0
1 year ago
The results of the car race are shown below.Explain how to determine who drove the fastest.
gizmo_the_mogwai [7]

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

Evans was the fastest


<u><em>Explanation:</em></u>

<u>The relation between velocity, time and distance is as follows:</u>

velocity = \frac{distance}{time}


<u>1- For Cutwright:</u>

We have the time = 84 minutes and the distance = 35 laps

<u>This means that:</u>

velocity = \frac{35}{84} = 0.61667 lap/minute


<u>2- For Evans:</u>

We have time = 96.6 minutes and distance = 42 laps

<u>This means that:</u>

velocity = \frac{42}{96.6} = 0.43478 lap/minute


<u>3- For Loza:</u>

We have time = 102.6 minutes and distance = 38 laps

<u>This means that:</u>

velocity = \frac{38}{102.6} = 0.37037 lap/minute


Based on the above calculations, we can note than Evans was the fastest


Hope this helps :)

7 0
3 years ago
Read 2 more answers
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