2 years ago

Pls help me ............

Mathematics

2 answers:

dem82 [27]2 years ago

7 0

The answer is 134 got it my using a calculator

natima [27]2 years ago

4 0

The answer to your question is 134:)

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A piece of wire 6 cm long weighs 30 grams. What is the weight of an 8 m length of the same wire?

Feliz [49]

Answer:

4000 gm

Step-by-step explanation:

We can use ratios to solve

Change 8 m to cm

8m * 100cm/1m = 800 cm

6 cm 800 cm

------------- = ------------

30 grams x gm

Using cross products

6 * x = 800 * 30

6x = 24000

Divide by 6

6x/6 = 24000/6

x = 4000 gm

5 0

2 years ago

Sara had 94 dollars to spend on 8 books. After buying them she had 14 dollars. How much did each book cost

cestrela7 [59]

Answer: $10

Step-by-step explanation:

Let's analize the information given: We know that she had $94 to spend on 8 books and after buying these books she had $14. So, we need to calculate the amount of money she spent. Subtract $94 and $14:

$Total\ spent=\$94-\$14\\Total\ spent=\$80$

Then, to calculate the cost of each book, we need to divide the "Total spent" by 8:

$cost\ of\ each\ book=\frac{Total\ spent}{8}\\\\cost\ of\ each\ book=\frac{\$80}{8}\\\\cost\ of\ each\ book=\$10$

3 0

3 years ago

One bag contains three white marbles and five black marbles, and a second bag contains four white marbles and six

sergeinik [125]

Hmm I think this is 1/2

Sorry if I'm wrong I'm not the best at math

8 0

3 years ago

It is known that p% of a number is a. Write the expression that represents this number. Plz respond

Svetlanka [38]

Answer:

$\frac{100a}{p}$

Step-by-step explanation:

Let

x-----> the number

we know that

$p\%=\frac{p}{100}$

$\frac{p}{100}*x=a$

solve for x

$x=\frac{100a}{p}$ -----> expression that represent the number

5 0

3 years ago

Read 2 more answers

A tractor trailer's maximum load is 32,000 pounds. If it is already carrying a forklift that weighs 8,200 pounds, how many 250-p

mina [271]

32000-8200=23800pounds
23800/250=95

8 0

3 years ago