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SCORPION-xisa [38]
4 years ago
5

What is one fourth of a number decreased by 10,is -50 ​

Mathematics
2 answers:
Andru [333]4 years ago
6 0

Answer:

x=-160

Step-by-step explanation:

One-fourth of a number decreased by 10 is -50. Find the number.

\frac{1}{4}x-10=-50

First, add 10 to both sides:

\frac{1}{4}x-10+10=-50+10\\\\\frac{1}{4}x=-40

Then, divide each side by \frac{1}{4}:

\frac{1}{4}x\div{\frac{1}{4}}=-40\div{\frac{1}{4}}\\\\x=-40\times{\frac{4}{1}}\\\\x=-160

Rashid [163]4 years ago
5 0

1/4x - 10 = -50

1/4x = one forth of a number

-10 is decreased by 10

= -50 means is -50

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What is the length of a rectangle with a width of 10 cm and area of 120 cm???
melamori03 [73]

Answer:

12cm

Step-by-step explanation:

Width = 10 cm

Area = 120 cm²

Length = ?

Area = Length(L) × Width(W)

120cm²  = L × 10cm

L = 120cm² ÷ 10 cm = 12cm

7 0
4 years ago
I need help with this please i can't figure out.
Gala2k [10]
That should be right, because the absolute value of -9 would be 9, but the negative sign in front makes it -9.
6 0
3 years ago
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Find the sum of the measures of the interior angles:
Tresset [83]

The sum of the measures of the interior angles

The sum of interior angles of any polygon can be foud wuth the following general formula

Sum of interior angles = (n-2) \ times 180^{\circ}

where n is the number of sides

<u>1. Nonagon</u>

The Nonagon is a polygon with 9 sides. then,

n = 9

Sum of interior angles of Nonagon

= (9-2) \times 180^{\circ}

=(7) \times 180^{\circ}

= 1260^{\circ}

<u>2.Pentagon</u>

The Pentagon is a polygon with 5 sides. then,

n = 5

Sum of interior angles of Pentagon

= (5-2) \times 180^{\circ}

=(3) \times 180^{\circ}

= 540^{\circ}

<u>3. 11-gon</u>

The 11-gon is a polygon with 11 sides. then,

n = <u>11</u>

Sum of interior angles of 11-gon

=(11-2) \times 180^{\circ}

=(9) \times 180^{\circ}

= 1620^{\circ}

<u>4. 18-gon</u>

The 18-gon is a polygon with 18 sides. then,

n = 18

Sum of interior angles of 18-gon

=(18-2) \times 180^{\circ}<u></u>

=(16) \times 180^{\circ}

=2880^{\circ}

<u>5. 38-gon</u>

The 38-gon is a polygon with 38 sides. then,

n = 38

Sum of interior angles of 38-gon

=(38-2) \times 180^{\circ}

=(36) \times 180^{\circ}

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<u>6.56-gon</u>

The 56-gon is a polygon with 56 sides. then,

n = 56

Sum of interior angles 56-gon

=(56-2) \times 180^{\circ}

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8 0
3 years ago
The total number of fruit she bought was less than 100. She bought more apples then pears. Write a system of inequalities that d
morpeh [17]
Let A be the number of apples bought
Let B be the number of pears bought

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3 years ago
(05.01) A scale drawing of a bedroom is shown below. the scale is 1:30
vlabodo [156]

Answer:

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then we just have to multiply these together to get the square feet so

120*90=10800

so the answer is... 10800ft^2

Hope This Helps!!!

7 0
3 years ago
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