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2 years ago

30 is 1/10 of please tell and help me

Mathematics

2 answers:

Vitek1552 [10]2 years ago

8 0

Answer:

300

Step-by-step explanation:

30 is 1/10 of 300

Think of it this way:

What number do you have if you have 10 30's?

30 × 10 = 300

rjkz [21]2 years ago

7 0

Answer:

i think 1/300

Step-by-step explanation:

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Ernesto solves the equation below by first squaring both sides of the equation. \sqrt{\dfrac{1}{2}w+8}=-2 2 1 w+8 =−2square

algol [13]

Answer:

Step-by-step explanation:

Given the equation solved by Ernesto expressed as $\sqrt{\dfrac{1}{2}w+8}=-2$ , the extraneous solution obtained by Ernesto is shown below;

$\sqrt{\dfrac{1}{2}w+8}=-2\\\\square\ both \ sides \ of \ the \ equation\\(\sqrt{\dfrac{1}{2}w+8})^2=(-2)^2\\\\\dfrac{1}{2}w+8 = 4\\\\Subtract \ 8 \ from \ both \ sides\\\\\dfrac{1}{2}w+8 - 8= 4- 8\\\\\dfrac{1}{2}w= -4\\\\multiply \ both \ sides \ by \ 2\\\\\dfrac{1}{2}w*2= -4*2\\\\w = -8$

Hence, the extraneous solution that Ernesto obtained is w = -8

4 0

3 years ago

H=65-1.4x what is the initial value?

wariber [46]

The <span>initial value is 65 since that is the y intersept.</span>

8 0

3 years ago

2. The water level in a reservoir is now 52 meters. Which equation can be used to find the initial depth, d, if this is the wate

Maru [420]

Answer:

1.23d = 52

Explanation:

If 52 meters is the water level after a 23% increase, then we can say that the initial depth d added to the 23% of d is equal to 52 meters. So:

d + 23%d = 52 meters

Since 23% is equivalent to 0.23, we get:

d + 0.23d = 52

Finally, adding the like terms, we get:

(1 + 0.23)d = 52

1.23d = 52

So, the equation is:

1.23d = 52

8 0

6 months ago

Whoever gets this right gets brainlyess answer and it's worth 10 points:)

swat32

They would be able to clean 7 cars in 56 mins

3 0

2 years ago

Read 2 more answers

Patty is building a rope ladder for a tree house. She needs two 5 foot pieces of rope for the sides of the ladder. She needs 7 p

BigorU [14]

Answer:

20 1/2 feet

Step-by-step explanation:

The total length is found by adding the lengths of the individual pieces. It can be easier if you use multiplication in place of repeated addition. You want ...

(2 × 5 feet) + (7 × 18 inches)

At some point in the process, you need to convert inches to feet. This is done by remembering that 12 inches = 1 foot. Dividing inches by 12 gives feet.

The above expression evaluates to

10 feet + 126 inches = 10 feet + (126/12) feet = 10 feet + 10.5 feet

= 20.5 feet

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A Google search box is a capable units converter and calculator.

6 0

3 years ago

30 is 1/10 of please tell and help me​

30 is 1/10 of please tell and help me