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77julia77 [94]
4 years ago
13

Solve the equation -4x=-40 x=

Mathematics
2 answers:
svet-max [94.6K]4 years ago
6 0

x=10

Step-by-step explanation:

10 times -4 is -40 since if you multiply a negative number by a positive you get a negative

mylen [45]4 years ago
6 0

Answer: x =10

Step-by-step explanation:

STEP ONE DIVIDE BOTH SIDES BY NEGATIVE 4

STEP 2 GET RID OF THE 4'S They cancel out

Step 3 your answer is 10 because negative divided by NEGATIVE equals a positive

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7 1/2 as a fraction greater than 1
9966 [12]

Answer:

yes 15/2

Step-by-step explanation:

3 0
2 years ago
What is the equation of the axis of symmetry for the parabola y = 2/3 (x - 2)^2 - 5?
katovenus [111]
For
y=a(x-h)^2+k

the axis of symmetry is x=h

so
y=2/3(x-2)^2-5
the axis of symmetry is x=2


answer is C
5 0
4 years ago
A rectangular prism has a length of 3.1 inches, a width of 5 inches, and a height of 1į inches.
brilliants [131]
The formula for volume of a prism if V=lwh
Length=3.1
Width = 5
Height = 1
(3.1)(5)(1)
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5 0
3 years ago
Show that Circle R with center (2, -9) and radius 5 is similar to Circle Q with center (-4, 3) and radius 3 by using a series of
faltersainse [42]

Answer:

It can be proved that the circle R is similar to the circle Q by translating the circle R a displacement of (-6, 12).

Step-by-step explanation:

We can demonstrate that Circle R is similar to Circle Q by translating the center of the former one to the center of latter one. Meaning that every point of circle R experiments the same translation. Vectorially speaking, a translation is defined by:

O'(x,y) = O(x,y) + T(x,y) (1)

Where:

O(x,y) - Original point.

O'(x,y) - Translated point.

T(x,y) - Translation vector.

If we know that O(x,y) = (2,-9) and O'(x,y) = (-4,3), then the translation vector is:

T(x,y) = O'(x,y)-O(x,y)

T(x,y) = (-4,3) - (2,-9)

T(x,y) = (-6,12)

It can be proved that the circle R is similar to the circle Q by translating the circle R a displacement of (-6, 12).

4 0
3 years ago
Consider the inequality-5(x+7)<-10 write an inequality representing the solution for x
GrogVix [38]

Answer:

<h2>x > -5</h2>

Step-by-step explanation:

-5(x + 7) < -10            <em>use the distributive property </em><em>a(b + c) = ab + ac</em>

(-5)(x) + (-5)(7) < -10

-5x - 35 < -10         <em>add 35 to both sides</em>

-5x < 25         <em>change the signs</em>

5x > - 25       <em>divide both sides by 5</em>

x > -5

6 0
3 years ago
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