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worty [1.4K]
3 years ago
14

Help :( I suck at math

Mathematics
1 answer:
iris [78.8K]3 years ago
7 0

Answer:

D

Step-by-step explanation:

For some side lengths to create a triangle, any two of the side lengths must have an added length together of less than the third leg. Otherwise, the vertices would simply not be able to be connected by the lines. In a), 3+5=8, but since it is not more, the triangle will not be able to be formed (it would basically just be a line.) In B, 7+8< 16. In C, there is the same situation as with the first example (4+15=19). Finally, in the last one, 5+7>12, and all of the side lengths work out. Therefore, the correct answer is D. Hope this helps!

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Pleasee help me with this anyone..
vlabodo [156]

Answer:

Step-by-step explanation:

You need to set up a proportion

Let x = NK

7/13 = x/56    Notice that the longest side of the small trapezoid is the denominator of the fraction  on the left. That means that the longest side of the large trapezoid must also be the denominator of that fraction on the right.

Cross multiply

13x = 7*56                Combine the right

13x = 392                 Divide by 13

x = 392/13

x = 30.15

NK = 30.15

3 0
2 years ago
Read 2 more answers
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Arlecino [84]

I’m not sure but I think it’s sample x

5 0
3 years ago
Dan was thinking of a number. Dan doubles it and adds 0.8 to get an answer of 58.9. Form an equation with
chubhunter [2.5K]

Answer:

2x + .8 = 58.9

His number, x, is 29.05

Step-by-step explanation:

2x + .8 = 58.9

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3 years ago
1_Escribe cómo se lee los siguientes números.
Agata [3.3K]

Answer:

setesientos ochenta y nueve mil cuatrosientos seis

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My lil sister said she needs help with ALL of the questions..........if you help i will give you brainliest
vova2212 [387]

Answer: See explanation

Step-by-step explanation:

Monday

1.) <em>1250 gallons of water for 1 ounce of Granular chlorine.</em>

<em></em>

2.) <em>w = 1250c</em>

Tuesday

9.5% of 50

0.095 × 50 = 4.75

<em>The fee costs $4.75</em>

Since the fee will be deducted from the selling price..

50 - 4.75 = 45.25

<em>Once he pays for the fee, he'll make $45.25.</em>

<em></em>

Wednesday

To get 1 cup of sugar, you multiply 4 to 1/4 meaning to find the proportional amount of flour used, you have to multiply 2/3 by 4

2/3 × 4 = 8/3

<em>She should use 2 ²/₃ cups of flour</em>

Since in the new recipe, we're multiplying everything by 4..

16 × 4 = 64

With this new recipe, she can make 64 cookies.

Thursday

4800 ÷ 6400 = 0.75

0.75 × 100 = 75

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<em>So, the cost of health insurance for the family increased by 25%</em>

<em></em>

Friday

<em>y = 6x</em>

3 0
3 years ago
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