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7nadin3 [17]
3 years ago
13

Please help with all need for my homework

Mathematics
2 answers:
Masja [62]3 years ago
4 0
1) 23
2) 19
3) 36
4) 8
5) 2/3
6) one on the left
Deffense [45]3 years ago
4 0
1) 23. 2)19. 3)36. 4)8. 5)2/3 6)2/4.

Also this is like fourth grade math not 6-8th..but okk
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Find the missing length indicated. Show ur work
Semenov [28]
45/35=54/54-x
9/7=54/54-x
9(54-x)=378
54-x=42
x=12

Hope my answer helped u :)
8 0
3 years ago
Read 2 more answers
Find the value of the term in the arithmetic sequence. -4, 0, 4, 8, 12, . . . A. 22 B. 24 C. 26 D. 28
sesenic [268]

Answer:

Step-by-step explanation:

It does not look like any of these answers are correct (A, B, C, or D). The correct answer would be 16 because it is going up by 4 in this sequence

3 0
2 years ago
Two trains leave towns 471 miles apart at the same time and travel toward each other. One train travels 21 miles per hour slower
nadya68 [22]

Let the slower train's velocity be x-21

Let the faster train's velocity be x

We know that the approach speed is the sum of both speeds, so x+x -21= 2x-21.

The approach rate is given by Distance/time = 471/3 = 157mpH

x+x-21=157

2x=157+21

2x=178

x=89mph

The slower train is travelling 89-21 = 68mph

The faster train is travelling 89mph.

7 0
1 year ago
Jamie is trying to work out the surface area of the cuboid below. Spot any mistakes and write the correct answer.
umka21 [38]

Step-by-step explanation:

The dimensions of the cuboid are 5 cm, 7 cm and 9 cm.

The formula for the surface area of the cuboid is as follows :

A=2(lb+bh+hl)

We have,

b = 9 cm, l = 7 cm and h = 5 cm

So,

A=2(9\times 7+9\times 5+7\times 5)\\\\A=2\times 143\\\\A=286\ cm^2

Jamie forgets to multiply 143 by 2 as the formula for surface area contains 2 as well.

7 0
3 years ago
Need this help me will give brainllest to the one gives me all three answer
PilotLPTM [1.2K]

Answer:

the sum is -4

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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