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Svetach [21]
3 years ago
9

Plz solve fast! what is the answer of this quation.

Mathematics
1 answer:
Alex_Xolod [135]3 years ago
3 0
49 is the answer to ur question
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Write an equation in point-slope form and in slope-intercept form.
Sever21 [200]

The point-slope form:

y-y_1=m(x-x_1)

The slope-intercept form:

y=mx+b

The formula of a slope:

m=\dfrac{y_2-y_1}{x_2-x_1}

We have the points (1, -5) and (-3, -7). Substitute:

m=\dfrac{7-(-5)}{-3-1}=\dfrac{12}{-4}=-3\\\\y-(-7)=-3(x-(-3))\\\\\boxed{y+7=-3(x+3)}

Rewrite to the slope-intercept form:

y+7=-3(x+3)           <em>use distributive property</em>

y+7=-3x-9       <em>subtract 7 from both sides</em>

\boxed{y=-3x-16}

3 0
3 years ago
Standard form of 0.000035
almond37 [142]

Answer:

0.000035 = 3.5 x 10^ -5.

Hope this helps! :))

4 0
3 years ago
An artist wants to frame a square painting with an area of 400 square inches she wants to know the lenth of the wood trim that i
Jet001 [13]

Answer:

The formula for the area of a square with sides of length x is  A = x2  so  

x2 = 400  is the equation  

This equation has 2 solutions, namely x = ±√400 = +20 or -20  

The negative solution does not make sense because a length cannot be less than 0.  

The total length needed to go around the painting is the perimeter of the square, which is  

P = 4*x = 4*20 = 80 inches

7 0
3 years ago
A package of 8-count AA batteries costs $6.40. A package of 20-count AA batteries costs $15.80. Which statement about the unit p
sdas [7]

Answer:

The unit price of the 20 pack is $0.79 and the unit price for the 8 pack is $0.80.

Step-by-step explanation:

Simply Take the price of the pack of batteries divided by the number within the pack.

$6.40 / 8 == $0.80

$15.80 / 20 == $0.79

Cheers.

5 0
3 years ago
Which two numbers does √√61 lie between on a number line? O 7.7 and 7.8 O 7.8 and 7.9 O 7.9 and 8.0 Stm O 8.0 and Which two numb
kap26 [50]

Answer:

B) 7.8 and 7.9

Step-by-step explanation:

Taking the square root of 61, we can conclude that the decimal form is 7.810, which falls between the range of 7.8 and 7.9

3 0
2 years ago
Read 2 more answers
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