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3 years ago

Will give brainliest if correct! Which of the following is not a solution to the inequality 3−(7−2x)>−8?

Mathematics

1 answer:

Mashcka [7]3 years ago

5 0

Answer:

-3

Step-by-step explanation:

3-(7-2x) > -8

get rid of the parentheses because there is a minus sign before them

3-7+2x > -8

replace x with all the numbers (one by one not all at once) and see if the equation is correct until you find the number that makes it incorrect.

<u>EXAMPLE:</u>

3-7+2(1) > -8 parentheses next to a number means multiply

3-7+2 > -8

3-7 = -4

-4 + 2 = -2

-2 is greater than -8

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A driver driving a business trip of 240 miles would have reached his destination if he'd been able to drive 12 mph faster than h

mariarad [96]

The average speed of his trip is = 12 mile/ hour

The total distance covered by the driver = 240 miles

The rate at which he traveled = 12 miles per hour

Therefore, the time he used to cover his distance

= 240/12

= 20 hrs

But average speed = distance/ time

= 240/ 20

= 12 miles/ hour

Therefore, the average speed of his trip is = 12 mile/ hour

Learn more here:

brainly.com/question/11753352

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2 years ago

Coral created a painting that was 4 1/ 3 ft long and 1 1/ 5 ft wide. What was the area of Corals painting? Express your answer

kotegsom [21]

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3 years ago

Find the volume of the cone of with a height of 6cm and a diameter of the base or 6cm

Ainat [17]

Answer:

The volume of cone v= 113.04 cm³.

Step-by-step explanation:

Formula used to find volume of cone is:

$v= \pi * r^2 * \frac{h}{3}$

where r is the radius and h is the height of cone.

In the given question we are given:

height h= 6 cm

diameter d= 6 cm

We know radius r = d/2 = 6/2 = 3 cm

so, volume will be:

$v= \pi * 6^2 * \frac{3}{3}$

$v= \pi * 36$

$v=113.04$

So, the volume of cone v= 113.04 cm³ given height h= 6cm and radius r= 3cm

7 0

3 years ago

1. Jada measured the height of a plant in a science experiment and finds that, to the nearest 1/8 of an inch, it

Nonamiya [84]

Answer:

here

Step-by-step explanation:

Given that the height(h) of the plant to the nearest 1/4 of an inch is 3/4 inches = 0.75 inches.

it is obvious that the height will lie within the range

Thus,

a. The largest actual height could be 0.875 inches, while

b. The smallest actual height could be 0.625 inches

c. The percentage error is given by the formula

if we take the lowest value, for instance, as the exact, i.e. 0.625 inches, then % error = [(0.75-0.625)/0.75]*100% = 16.7%

5 0

2 years ago

WHat is the answer to this?

frez [133]

Answer:

0.9

Step-by-step explanation:

First, convert them all into fractions:

$2\frac{1}{3}=\frac{7}{3}$

$.5=\frac{1}{2}$

Now, we have:

$\frac{4x+9}{\frac{7}{3} } =\frac{3x}{\frac{1}{2} }$

Cross multiply:

$\frac{1}{2} (4x+9)=\frac{7}{3} (3x)$

On the left, distribute. On the right, notice that the 3 in the denominator and the coefficient 3 cancel:

$2x+4.5=7x$

$4.5=5x$

$x=0.9=9/10$

4 0

3 years ago

Read 2 more answers