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2 years ago

90:120 ratio in the simplest form,

Mathematics

2 answers:

Alchen [17]2 years ago

4 0

Answer:

Step-by-step explanation:

90 : 120

3: 4 is the simplest form

Inessa [10]2 years ago

3 0

Step-by-step explanation:

90:120

9:12

3:4

Topic: ratio n proportions

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Noel and Casey both start at the same place. Noel walks due south and Casey walks due east. After some time has passed, Noel is

Dovator [93]

Answer:

2.04 miles per hour

Step-by-step explanation:

Given

Noel

$n_1 =6miles$

$r_1 = 2mph$

Casey

$c_1 = 8miles$

$r_2 =1mph$

Required

The rate at which the distance increases

Their movement forms a right triangle and the distance between them is the hypotenuse.

At $n_1 =6miles$ and $c_1 = 8miles$

The distance between them is:

$d_1 = \sqrt{n_1^2 + c_1^2}$

$d_1 = \sqrt{6^2 + 8^2}$

$d_1 = \sqrt{100}$

$d_1 = 10miles$

After 1 hour, their new position is:

New = Old + Rate * Time

$n_2 = n_1 + r_1 * 1$

$n_2 = 6 + 2 * 1 = 8$

And:

$c_2 = c_1 + r_2 * 1$

$c_2 = 8 + 1 * 1 = 9$

So, the distance between them is now:

$d_2 = \sqrt{n_2^2 + c_2^2}$

$d_2 = \sqrt{8^2 + 9^2}$

$d_2 = \sqrt{145}$

$d_2 = 12.04$

The rate of change is:

$\triangle d = d_2 -d_1$

$\triangle d = 12.04 -10$

$\triangle d = 2.04$

5 0

3 years ago

Choose all items where the equation matches the given table

sdas [7]

Answer:

1st, 3rd, 4th

Step-by-step explanation:

1st one: 43 x

multiply x by 43

7 x 43 = 301

7 x 43 = 258

10 x 43 = 430

3 x 43 = 129

4 x 43 = 172

(correct)

2nd one: 12x

multiply x by 12

2 x 12= 32

we know that 2 x 12 is 2 so this equation does not work

(incorrect)

3rd one: 202x

multiply x by 202

6 x 202 = 1212

4 x 202 = 808

10 x 202 = 2020

3 x 202 = 606

8 x 202 = 1616

(correct)

4th one: 13x

multiply x by 3

9 x 13 = 117

2 x 13 = 26

7 x 13 = 91

3 x 13 = 36

10 x 13 = 130

(correct)

3 0

3 years ago

It takes 3 hours to cook an 8-pound turkey. How long would it take to cook a turkey that is 14 pounds? Round to the nearest tent

pochemuha

Answer:

5.3 hours

Step-by-step explanation:

Given:

3 hours = 8lbs. turkey

?? hours = 14lbs. turkey

Do proportions:

$\frac{3}{8}$ = $\frac{x}{14}$ <-- Cross Multiply

42 = 8x <-- Solve for x

x = 5.25

Round to the nearest tenth:

x = 5.3 hours

8 0

3 years ago

PLS ANSWER BOTH PARTS I WILL GIVE BRAINLIEST PLSSS HURRRYYYY

sertanlavr [38]

Answer: slope is 1/3

Step-by-step explanation: make a graph of y=1/3x+9

7 0

2 years ago

Write an equation for each line

Scilla [17]

Answer:

Step-by-step explanation:

m has a slope of -2 and a y intercept of 4

y = -2x + 4

n has a slope of 1 and a y intercept of -1

y = 1x - 1

y = x - 1

Ah!... the invisible questions in a sideways posted image.

t has a slope of zero and a y intercept of 3

y = 0x + 3

y = 3

p has infinite slope and no y intercept.

x = -5

5 0

2 years ago