2 years ago

Find the missing quantity in the double number line.

Mathematics

2 answers:

leonid [27]2 years ago

8 0

Answer: 7

Step-by-step explanation:

just use a comparison

3/12 = x/28

1/4 = x/28

x = 7

larisa [96]2 years ago

8 0

Answer:

szxdcfgvhbjnk

Step-by-step explanation:

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qwelly [4]

Answer:

x = 0

y = -4

negative 4 cuz the line goes down, meaning it's negative

4 0

3 years ago

9x +y=-5<br> Coefficient of x

V125BC [204]

Answer:

x=-14y

Step-by-step explanation:

9x+y=-5

x+y=-5-9

x+y=-14

x=-14y

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3 years ago

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Rina8888 [55]

Answer:

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Step-by-step explanation:

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2 years ago

Linda is planning to build a rectangular deck that is 12 feet longer than it is wide. Find its width if its area is 589 square f

BaLLatris [955]

Let the width be x, then the length is x + 12.
Area = length x width = x(x + 12) = 589
$x^{2} +12x = 589$
Solving the quadratic equation, we have that
x = 19 feet
i.e. the width is 19 feet.

6 0

3 years ago

in triangle abc, the size of angle b is 5 times the size of angle a and the size of angle c is 13° less than 4 times the size of

olasank [31]

Sum of angles of a triangle = 180
a+b+c=180
a + (5a) + (4a-13) = 180
Simplify and solve for a:
10a-13=180
10a=193
a=19.3
b=5*19.3=96.5
c=4*19.3-13=77.2-13=64.2
Check: a+b+c=19.3+96.5+64.2=180 ok.

8 0

3 years ago