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maxonik [38]
3 years ago
14

1). 3x-8 for x=5 2). 5(x+7)-1 for x = -3

Mathematics
1 answer:
Serjik [45]3 years ago
4 0
1. =7
2.=19
Please let me know if you got it correct!
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Karina is driving from her house to her cottage. If she drives at 10 kilometers per hour, she will arrive at 6 PM. If she drives
aev [14]

Answer:

12.5 kilometers per hour

Step-by-step explanation:

(10+15)/2=25/2=12.5

5 0
3 years ago
A package of 24 Oreo cookies cost $3.89. How much would 3 cookies cost? 5 cookies?
Ludmilka [50]

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3 equals 49 cents 5 equals 81 cents

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3 years ago
The space allowed for the mascot on a​ school's Web page is 75 pixels wide by 60 pixels high. Its digital image is 500 pixels wi
anzhelika [568]

Answer:

It will be 60 pixels high and 75 pixels wide

Step-by-step explanation:

\frac{400}{60}=\frac{500}{x}

As

  • The space allowed for the mascot on a​ school's Web page is 75 pixels wide by 60 pixels high
  • Its digital image is 500 pixels wide by 400 pixels high

So, the expression becomes

\frac{400}{60}=\frac{500}{x}

\mathrm{Apply\:fraction\:cross\:multiply:\:if\:}\frac{a}{b}=\frac{c}{d}\mathrm{\:then\:}a\cdot \:d=b\cdot \:c

400x=60\cdot \:500

400x=30000

\mathrm{Divide\:both\:sides\:by\:}400

\frac{400x}{400}=\frac{30000}{400}

\mathrm{Simplify}

x=75

Therefore, it will be 60 pixels high and 75 pixels wide

Keywords: pixel, ratio

Learn more about ratio from brainly.com/question/4287633

#learnwithBrainly

6 0
3 years ago
Are triangles PRU and STQ congruent? Question 2 options:
denis23 [38]

PRU and STQ are not congruent because they aren’t the same size.

No, because they aren’t the same size.

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

Both PRU and STQ triangles aren't in the same size, So it is not congruent. Triangles are congruent if two pairs of corresponding angles and a couple of inverse sides are equivalent in the two triangles.

If there are two sets of corresponding angles and a couple of comparing inverse sides that are not equal in measure, at that point the triangles are not congruent.

3 0
3 years ago
A carton in the shape of a cube measuring 8 in. tall is filled with colored plastic cubes measuring 1 in.across each face. The c
DerKrebs [107]
You can fir 8x8x8 cubes in the carton, that means you can fit 512 cubes in the carton.
the total cost would be, 0.25 x 512 = $128
7 0
3 years ago
Read 2 more answers
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