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NemiM [27]
2 years ago
14

The product of a number and -7 is at most -70. what is inequality 18 points

Mathematics
1 answer:
zimovet [89]2 years ago
3 0

Answer:

Inequality :

-7x\le \:-70

Step-by-step explanation:

Let the unknown number be x

at most -70 = ≤ -70

x\times(-7) \leq -70\\\\-7x\leq -70

Solving further  :

-7x\le \:-70\\\\\mathrm{Multiply\:both\:sides\:by\:-1\:\left(reverse\:the\:inequality\right)}\\\\\left(-7x\right)\left(-1\right)\ge \left(-70\right)\left(-1\right)\\\\Simplify\\\\7x\geq 70\\\\\mathrm{Divide\:both\:sides\:by\:}7\\\\\frac{7x}{7}\ge \frac{70}{7}\\\\Simplify\\\\x \geq 10

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Find the selling price of a $36 item after a 50% markup
agasfer [191]

Answer:

$54

Step-by-step explanation:

36 divided by 2= 18

$36+$18=$54

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2 years ago
A cylinder with a radius of 4 yd and a volume of 80yd (find the height)
Afina-wow [57]

Answer:

Height of the cylinder = 1.60yd

Step-by-step explanation:

Volume of a cylinder =

V = πr^2h

V - volume of cylinder

π - 3.142

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We are provided with

V - 80

r - 4

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h - ?

80 = 3.142 * 4^2 * h

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7 0
3 years ago
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Need help desperately T~T
babunello [35]
As you can see, angle 5 and angle 6 are supplementary.  And angle 5 and angle 3 are congruent because they are alternate interior angles.  

So it will be
x+2 = 180- x+3 
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2x+2 = 183
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2x = 181
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x= 90.5

and angle 3 and angle 1 are vertical angles so they are congruent.  Using the angle 3 formula to solve for the answer:

90.5+3 =93.5

When angles are congruent, their measures are congruent, therefore, measure of angle 1 is 93.5
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3 years ago
WILL GIVE BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
ad-work [718]

Answer:

Well Where are the graphs

Step-by-step explanation:


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2 years ago
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Tanya says .53 is greater than .7 because 53 is greater than 7 Can you explain her mistake?
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Take 0.53 and 0.7 by 100 to make them percents. 0.53 times 100 is 53% and 0.7 time 100 is 70%. so 0.7>0.53
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3 years ago
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