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slega [8]
3 years ago
15

I need help I redone this test I failed it the first time and need help right now please​

Mathematics
1 answer:
Eddi Din [679]3 years ago
3 0
3 x 1.5 = 4.5 and positive, negative
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411/3 + 388 = n - 79
Vlad [161]

Answer:

411/3 + 388 = 525 -79=446

Step-by-step explanation:

5 0
3 years ago
Find the perimeter of the triangle.​
IRISSAK [1]

Answer:

39

Step-by-step explanation:

Alll the sides equal each other because of that curve u see at each angle, that curve means that the angles are the same, having the same angles means same sides, so just pick two equations to do this:

21 - x = 2x -3

add 3 to both sides

24 - x = 2x

add x to both sides

24 = 3x

divide by 3

8 = x

Now input 7 into the equations:

21 - x = 21 - 8 = 13

2(8) - 3 = 16 - 3 = 13

x + 5 = 8 + 5 = 13

Now add: 13 + 13 + 13 = 26 + 13 = 39

Another way for u to save time is remember how i said all the sides were the same? you could just solve one equation, so it'll be 13 and multiply that with 3 to get the perimeter since ur adding 13 three times anyway

So just a simple: 13(3) = 39

4 0
3 years ago
Please help me with this study island question :/
siniylev [52]

Answer:

B. 56 feet

Step-by-step explanation:

One centimeter = 4 feet on the scaled drawing, perimeter of pool is 14cm. 14 x 4=56 ft.

4 0
3 years ago
Read 2 more answers
Solve for ddd. 6d-\dfrac{11}2=2d-\dfrac{13}26d− 2 11 ​ =2d− 2 13 ​ 6, d, minus, start fraction, 11, divided by, 2, end fraction,
ANEK [815]

Answer:

d = -\dfrac{1}{4}

Step-by-step explanation:

Given

6d-\dfrac{11}2=2d-\dfrac{13}{2}

Required

Solve for d

6d-\dfrac{11}2=2d-\dfrac{13}{2}

Collect Like Terms

-2d + 6d=-\dfrac{13}{2}+\dfrac{11}{2}

4d=-\dfrac{13}{2}+\dfrac{11}{2}

Take LCM

4d=\dfrac{-13+11}{2}

4d=\dfrac{-2}{2}

4d = -1

Make d the subject

d = -\dfrac{1}{4}

5 0
3 years ago
If 4 candies cost 25 cents, how much does it cost t buy 20 candies?
anastassius [24]

Answer:

5.00

Step-by-step explanation:

answer

3 0
3 years ago
Read 2 more answers
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