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OverLord2011 [107]
3 years ago
9

Evaluate x^2-2y when x=4 and y=1

Mathematics
1 answer:
vlada-n [284]3 years ago
8 0
4^2-2(1) = 16-2 = 14
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8y-2x=-72 in slope form
Alla [95]

Answer:

y=1/4x-9

Step-by-step explanation:

Slope-intercept form is y=mx+b.

8y-2x=-72

Add 2x to both sides

8y=2x-72

Divide both sides by 8.

y=1/4x-9

HTH :)

6 0
3 years ago
HELP HELP PLEASE THIS IS DUE TONIGHT
tatiyna

Answer:

slope: (positive) 2

y-intercept: -4

Step-by-step explanation:

slope is rise over run, rise is 2 up every 1 over, so slope is (2-0)/1

y-intercept is where the function intercepts or crosses the y-axis, that is at -4

5 0
3 years ago
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Ruchi travelled 149 cm 415 in a week How much distance did she travel in a day​
tankabanditka [31]

Answer:

171.85 cm

Step-by-step explanation:

Given data

We are given that the distance = 149 cm 415in

Let us mark the units uniform by converting inches to cm

1 inches = 2.54cm

415 inches= x cm

cross multiply

x= 415*2.54

x= 1054.1 cm

Hence the total distance in cm is 1054.1+149= 1203cm

If in 7 days he travels 1203cm

in 1 day he will travel x cm

cross multiply

7x= 1203

divide both sides by 7

x= 1203/7

x= 171.85 cm

7 0
3 years ago
What’s the unit rate for this? please help!!
Lapatulllka [165]

<em>Hello! Thank you for asking this question on Brainly!</em>

<em />

<em>Your question is:</em>

<em />

<em>What is the unit rate of 72 ounces for 12 servings?</em>

<em />

<em>Divide 72 by 12 to get your answer! </em>

<em>The best possible choice would be D. 6 ounces per serving.</em>

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<em>Have a nice day!</em>

<em>:)</em>

3 0
3 years ago
10 pts!<br> How can you determine if two triangles have a scale factor?
GaryK [48]

Answer:

When two triangles are similar, the reduced ratio of any two corresponding sides is called the scale factor of the similar triangles. In Figure 1 , Δ ABC∼ Δ DEF. Figure 1 Similar triangles whose scale factor is 2 : 1. The ratios of corresponding sides are 6/3, 8/4, 10/5. hope that helps love!

4 0
3 years ago
Read 2 more answers
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