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3 years ago

Find the value of x help

Mathematics

1 answer:

Temka [501]3 years ago

5 0

Answer:

6.7

Step-by-step explanation:

This is trigonometry. We will have to find the opposite leg and the hypotenuse is given to us as 10. So we will have to use sin.

Soh in Soh cah toa

So sin(42)=x/10

10 times sin(42)=x

Evaluate using a calculator=6.69130606 and so on

Rounded to the nearest tenth is 6.7

So the answer is 6.7

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One grain of sand weighs 0.0007g. How many grains of sand are in 6300kg. Leave your answer in standard form

lions [1.4K]

6,300kg=6,300,000g

6,300,000/0.0007=9,000,000,000 grains of sand

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3 years ago

On January 3, the high temperature in Anchorage, Alaska, was −24∘F. That same day, the high temperature in Minneapolis, Minnesot

Shkiper50 [21]

Answer:

-15

Step-by-step explanation:

-24-(-9)= -15

3 0

3 years ago

Tonya runs 8 kilometres in 60 minutes. At a rate how long would it take her to run 2 kilometers

MatroZZZ [7]

(60 minutes / 8 km)*(2 km) = 60/4 = 15 minutes

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4 years ago

Read 2 more answers

Jada eats 2 scoops of ice cream in 5 minutes. Noah eats 3 scoops of ice cream in 5 minutes. How long does it take them to eat on

Scrat [10]

Answer:

$\frac{5}{6}$ minutes

Step-by-step explanation:

Let's find unit rate of each.

Jada

2 scoop in 5 minutes

So,

1 scoop in 5/2 = 2.5 minutes

Noah

3 scoop in 5 minutes

So,

1 scoop in 5/3 = 1.25 minutes

These are the times. Time and rate are inverses of each other. So the rates of each is:

Jada = 1/2.5 = 0.4

Noah = 1/1.25 = 0.8

Working together, we add the rates and find the time:

(0.4+0.8)*t = 1

1.2t = 1

t = 1/1.2 = $\frac{5}{6}$ minutes

So, they take $\frac{5}{6}$ minutes to eat one scoop, working together

5 0

4 years ago

Of the cartons produced by a company, % have a puncture, % have a smashed corner, and % have both a puncture and a smashed

LuckyWell [14K]

Full Question

Of the cartons produced by a company, 10% have a puncture, 6% have a smashed corner, and 0.4% have both a puncture and a smashed corner. Find the probability that a randomly selected carton has a puncture or a smashed corner. The probability that a randomly selected carton has a puncture or a smashed corner nothing ____%. (Type an integer or a decimal. Do not round.)

Answer:

$P(Punctured\ or\ Smashed\ Corner) = 0.156$