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3 years ago

What is the solution to the equation? 8/2.1 = 15.3 someone plz help

Mathematics

1 answer:

bearhunter [10]3 years ago

7 0

Answer:

5.8

Step-by-step explanation:

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one mile is about 1.61 kilometers. volcano Mauna Kea is 120 kilometers wide. what is the width of the volcano in miles, rounded

mezya [45]

$\frac{1}{1.61} = \frac{x}{120} \\ \\ 1*120=1.61*x \\ \\ 120=1.61x \\ \\ 74.5=x$

74.5 miles

3 0

4 years ago

In parallelogram RSWY, find m

LuckyWell [14K]

Answer:

Part A) $m\angle R=110^o$

Part B) $m\angle S=70^o$

Step-by-step explanation:

we know that

In a parallelogram, opposite angles are congruent and consecutive angles are supplementary

step 1

Find the value of x

we know that

$m\angle R=m\angle W$ ----> by definition of parallelogram (opposite angles are congruent)

substitute the given values

$(5x-90)^o=(2x+30)^o$

solve for x

$5x-2x=30+90\\3x=120\\x=40^o$

step 2

Find the measure of angle R

$m\angle R=(5x-90)^o$

substitute the value of x

$m\angle R=(5(40)-90)=110^o$

step 3

Find the measure of angle S

we know that

$m\angle R+m\angle S=180^o$ ---> by definition of parallelogram (consecutive angles are supplementary)

we have

$m\angle R=110^o$

substitute

$110^o+m\angle S=180^o$

$m\angle S=180^o-110^o$

$m\angle S=70^o$

8 0

3 years ago

HELP ME PLEASE!!!!!

krok68 [10]

answer

B)0.66

Step-by-step explanation:

0.66 value of the correlation coefficient r of the data set

5 0

3 years ago

The Black line is the graph of y=c. Which of these equations could represent the blue line?

galben [10]

C. y = 0.5x.

The coefficient of x is the slope of the line. From the picture, you can see that the slope of the blue line is half the slope of the black line.

3 0

3 years ago

Read 2 more answers

Pls help me on this question

astraxan [27]

Answer:

h < 2

Step-by-step explanation:

Step 1: Distribute

10h + 40 < 60

Step 2: Subtract 40 on both sides

10h < 20

Step 3: Divide both sides by 10

h < 2

4 0

3 years ago