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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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Find the x-intercept and the y-intercept of the graph of the equation 7x + 25y = 12. Then graph the equation.
Vikki [24]

Answer: sorry, i couldn't graph it

but the equation was done.

7x+25y =12

                    rearrange it into y=mx+c

it becomes:

25y = -7x + 12

y= -0.28x+12

to find y intercept: x=0

so

y= -0.28*0+12

y=12

to find x intercept, y=0

so

0= -0.28x+12

0.28x = 12

x= 12/0.28

x= 42.857142857142857142857142857143‬

approximately = 43(whole number) or 42.9(one decimal place) or 42.86( 2 decimal places)

5 0
3 years ago
Read 2 more answers
Please help! Best answer gets Brainliest!
Elanso [62]

Answer:

pretty sure its B

Step-by-step explanation:

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3 years ago
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Triangle ABC is congruent with triangle CDA Find the value of the pronumeral x.
brilliants [131]

Answer:

x = 25

Step-by-step explanation:

Since the triangles are congruent then corresponding angles are congruent.

That is ∠ D and ∠ B are corresponding angles and congruent, thus

4x - 20 = 2x + 30 ( subtract 2x from both sides )

2x - 20 = 30 ( add 20 to both sides )

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6 0
3 years ago
What would be the answer to 96 &gt; 4((5x - 6)
zaharov [31]

Answer:

x<6

Step-by-step explanation:

96 > 4((5x - 6)

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Or x<6

4 0
3 years ago
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Erika is following a 2,200 calorie per-day diet. she’s eats the recommended 9 servings of breads And cereals, averaging 120 calo
klemol [59]
The average number calories in each serving of vegetables is 50.

Explanation:
120×9= 1080, or the amount of calories from breads and cereals.
1080+870=1950, or the number of calories in breads, cereals, and the rest of the daily intake.
2200-1950=250, or the amount of calories in 5 servings of vegetables.
250÷5=50, or the amount of calories in 1 serving of vegetables.

Hope this helps!!!
5 0
4 years ago
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