What is the value of X? Enter your answer in the box ASAP

Mathematics

2 answers:

alexdok [17]3 years ago

8 0

I would think 6 but I am not sure!

you have 40, and then the same exact side is 5x + 10
so you take 40-10 = 30 now ten is gone you just have 5x... and 5 x 6 = 30 I am not completely sure but I hope this helps!

Komok [63]3 years ago

3 0

Hello!

The line on the two lines means they equal each other

5x + 10 = 40

Subtract 10 from each side

5x = 30

Divide both sides by 5

x = 6

The answer is 6

Hope this helps!

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melomori [17]

Answer:

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Step-by-step explanation:

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7 0

3 years ago

A supermarket had bags of grapes for $20.72 for 7. They also had bags of green grapes priced at 8.46 for 3. Which type of grapes

emmasim [6.3K]

Answer:

The grapes are more expensive than the green grapes.

Step-by-step explanation:

GRAPES: If you divide $20.72 by 7, to get one bag of grapes instead of seven, you get $2.96/bag.

GREEN GRAPES: If you divide $8.46 by 3, to get one bag of green grapes instead of three, you get $2.82/bag.

$2.82 is less than $2.96, therefore, the grapes are more expensive than the green grapes.

6 0

3 years ago

The height H of an ball that is thrown straight upward from an initial position 3 feet off the ground with initial velocity of 9

mariarad [96]

Answer:

The ball will be 84 feet above the ground 1.125 seconds and 4.5 seconds after launch.

Step-by-step explanation:

Statement is incorrect. Correct form is presented below:

The height $h(t)$ of an ball that is thrown straight upward from an initial position 3 feet off the ground with initial velocity of 90 feet per second is given by equation $h(t) = 3 +90\cdot t -16\cdot t^{2}$ , where $t$ is time in seconds. After how many seconds will the ball be 84 feet above the ground.

We equalize the kinematic formula to 84 feet and solve the resulting second-order polynomial by Quadratic Formula to determine the instants associated with such height:

$3+90\cdot t -16\cdot t^{2} = 84$