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Arisa [49]
3 years ago
5

Simplify -16 -22+ 22) A. -16 B. 39 C. 16 D.38 Help me PLZZZZZZ ;(

Mathematics
2 answers:
Alina [70]3 years ago
8 0

Answer:

A

Step-by-step explanation:

-22+22=0

-16

vlabodo [156]3 years ago
4 0

Answer: A

-16 is the answer

Plz mark brainliest:)

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Laura drove 638 miles in 11 hours at the same rate how long would it take her to drive 406 miles
shusha [124]

Answer:

Step-by-step explanation:

This is a d = rt problem; but since it is linear, then proportions will work too. Set up the proportion with miles on top and hours on the bottom:

\frac{miles}{hrs}:

Then put the numbers in where they go, keeping in mind that miles goes with miles and hours goes with hours in the ratios, and that our unknown is time (hours):

\frac{miles}{hrs}:\frac{638}{11}=\frac{406}{x} and cross multiply to solve:

638x = 4466 so

x = 7 hrs

6 0
2 years ago
How to Solve: -5% < 100
Evgesh-ka [11]

Answhver:khglujlihluf

Step-by-step explanation:

8 0
3 years ago
For concreatting a tower cement, sand, stones are in the ratio 1:2:4 For 144kg sand.. What amount of cement is required?
Verdich [7]

Answer:

72 kg

Step-by-step explanation:

For concreatting a tower cement, sand, stones are in the ratio 1:2:4 For 144kg sand.. What amount of cement is required?

We are given the ratio

cement: sand:stones

= 1:2:4

The sum of proportion =

1 + 2 + 4 = 7

We are given the kg of sand = 144kg

Step 1

We find the total kg of cement, sand and stones = x

Using the proportion of sand,

2/7 of x = 144kg

2/7 × x = 144kg

2x/7 = 144kg

Cross Multiply

2x = 7 × 144kg

x = 7 × 144kg/2

x = 504kg

Therefore the total kg of cement, sand and stone = 504kg

Step 2

The amount of cement required is calculated as:

1/7 × 504 kg = 72 kg

Therefore, 72kg of cement is required.

4 0
3 years ago
Evaluate 64 1\2 * 10(-2) as a fraction
melamori03 [73]

Answer:

1/25

Step-by-step explanation:

64^=8

8*1/2=8/2

10^-2=1/100

8/2*1/100

1/25

This is picture for more preference.

8 0
3 years ago
Write 3/5 as a % 60%
Alinara [238K]

Answer:

(3/5)× 100

0.6 ×100= 60%

yw

3 0
1 year ago
Read 2 more answers
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