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N76 [4]
3 years ago
5

-21+7u=28 solve for u

Mathematics
2 answers:
ch4aika [34]3 years ago
5 0

Answer:

u = 7

Step-by-step explanation:

-21 + 7u = 28

add 28 to both sides

7u = 49

divide by 7

u = 7

horrorfan [7]3 years ago
5 0

Answer:U=7

Step-by-step explanation:

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The difference of twice a number and 6 is at most 20 use the variable c for t he unknown number.
Leni [432]

Answer: c - 6 = 20

Explanation:

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3 years ago
If in a triangle ac= 15 and angle abc=60 degrees what is ab?
marin [14]

Answer:

∠A=30° and AC and BC is 13 and 7.5 units respectively

Step-by-step explanation:

Given that in a right triangle ABC , right angled at C , if angle B =60 degree and AB =15 units

we have to find the remaining angles.

By angle sum property,  sum of angles in right angle is 180°

∠A+∠B+∠C=180°

∠A+ 60°+90°=180

∠A=180°-150°=30°

∠A=30°

As AB= 15

Now by trigonometric ratios we find the other sides of triangle ABC

Hence, ∠A=30° and AC and BC is 13 and 7.5 unitsStep-by-step explanation:

∠A=30° and AC and BC is 13 and 7.5 units respectively

Step-by-step explanation:

Given that in a right triangle ABC , right angled at C , if angle B =60 degree and AB =15 units

we have to find the remaining angles.

By angle sum property,  sum of angles in right angle is 180°

∠A+∠B+∠C=180°

∠A+ 60°+90°=180

∠A=180°-150°=30°

∠A=30°

As AB= 15

Now by trigonometric ratios we find the other sides of triangle ABC

Hence, ∠A=30° and AC and BC is 13 and 7.5 units

3 0
3 years ago
Suppose a number is rounded to the nearest hundred thousand. What is a number greater than 700,000 that rounds to 700,000?
tatiyna
Any number greater than 700,000 with ten-thousands digit 1 through 4 will round down to 700,000.  For example, 748,235 will round to 700,000.
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3 years ago
In the given right triangle, find the missing length.<br> 10m<br> 24m
adell [148]

Answer:

10m

Step-by-step explanation:

mark me brainliest.

4 0
3 years ago
I really need help anybody
Brut [27]
- 4(8x-3)/4 =76/4

-8x+3=76/4

-8x+3=19

-8x=16

X=2

I hope this helps.
7 0
3 years ago
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