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2 years ago

Write the word sentence as an inequality and then solve the inequality: 4 less than a number is more than 15. PLEASE HELPP!!

Mathematics

2 answers:

In-s [12.5K]2 years ago

4 0

KATRIN_1 [288]2 years ago

3 0

Your word equation can be rewritten as X-4 > 15. to solve, add the 4 to both sides, which leaves you with X > 19. To check it, you can plug in different numbers for X to see if X indeed needs to be less than 19 to make your equation true.
Hope this helps!
I just want to say i am not 100% sure so if i am wrong i am so sorry.
Mark Me Brainiest Please. Have a Tessariffic day.
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the digit at the tens place of a two—digit number is 4 times the digit at ones place if the sum of this number and the number fo

zysi [14]

Answer:

Step-by-step explanation:

The number 1 is in the ones place. 1x4=4, so 4 is in the tens place. If you reverse 41, you get 14. 41+14=55.

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2 years ago

In the diagram below, BD is parallel to XY. What is the value of x?

MAXImum [283]

If two lines are crossed by another line that is called the transversal, the corresponding angles those in matching corners. In this problem, we have two parallel lines:

$\overleftrightarrow{XY} \\ \\ \overleftrightarrow{BD}$

In this way, x° and 76° are corresponding, therefore:

(x)° = 76°

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2 years ago

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Sever21 [200]

-2? it’s been awhile sorry if it’s wrong

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2 years ago

The length of a rectangle is 5 inches less than twice its width. The perimeter of the rectangle is 26 inches. What is the width

Yakvenalex [24]

Answer:

w= 6

Step-by-step explanation:

I just started by making an educated guess using the values already given. Then I inserted that into the problem to see if it worked.

L= 2w - 5

I used 6 as a random, educated guess for the value of w.

L = 2(6) - 5

L = 12-5

L = 7

Then, multiply L by 2 to account for both side lengths of the rectangle.

7(2)= 14

Subtract that value from the total perimeter to find what the width must equal.

26 - 14 = 12

Divide that answer by 2 since there are two sides for width.

12/2 = 6

I know this was kind of long, but I hope it helps! :)

3 0

2 years ago

Find the uncertainty in a calculated average speed from the measurements of distance and time. Average speed depends on distance

zzz [600]

Answer:

$\frac{\Delta v}{v}=0.426$

Step-by-step explanation:

you have that the average sped is given by the following formula:

$v(x,t)=\frac{x}{t}$

The uncertainty formula for a division is given by:

$\frac{\Delta v}{v}=\sqrt{(\frac{\Delta x}{x})^2+(\frac{\Delta t}{t})^2}$ (1)

Δv: uncertainty in speed

Δx: uncertainty in the distance = 0.9m

Δt: uncertainty in time = 0.7s

x: distance = 8.1m

t: time = 1.7s

You replace the values of all parameters in the equation (1):

$\frac{\Delta v}{v}=\sqrt{(\frac{0.9}{8.1})^2+(\frac{0.7}{1.7})^2}\\\\\frac{\Delta v}{v}=0.426$

Hence, the relation between the uncertainty in the average velocity is 0.426

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2 years ago