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3 years ago

Hi I learned this today pls help me on this

Mathematics

1 answer:

sattari [20]3 years ago

8 0

Answer:

150+52=202

Step-by-step explanation:

Just take 2 from 54 and add it to 148

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The combined volume of two identical cubes is 250 cubic centimeters. What is the measure of one cubes edge

katen-ka-za [31]

Cubic volume V = $a^3$
where a - cubic edge

250 = 2*V
V=125
$a^3=125$
$a=\sqrt[3]{125}=5$

Answer: Cubes edge is 5cm.

3 0

3 years ago

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Lines x and y are parallel.

densk [106]

On the bottom line, the 106 and number 1 make a straight line and needs to equal 180 degrees.

This means number 1 = 180-106 = 74 degrees.

Because x and y are parallel, the top outside angle is the same as number 1.

6x +8 = 74

Subtract 8 from both sides:

6x = 66

divide both sides by 6:

x = 66 / 6

x = 11

Now you have x, replace x in the equation for 7x-2 to find that angle:

7(11) -2 = 77-2 = 75 degrees.

The three inside angles need to equal 180 degrees.

Angle 2 = 180 - 74 - 75 = 31 degrees.

7 0

3 years ago

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Which of the following statements is NOT true?

faltersainse [42]

Answer:

Step-by-step explanation:

4 0

3 years ago

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A student said the volume of a cylinder with a 7-inch diameter is two times the volume of a cylinder with

prohojiy [21]

Answer:

When you find the volume of the cylinder you square instead which isn't equal to multiplying so the answer will be more then doubled.

Step-by-step explanation:

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4 years ago

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1. A family eats at a restaurant. The bill is $42. They have a coupon that gives them 15% off

Ludmilka [50]

<h2>a.</h2><h3>Solution:</h3>

$42 - 42 \times 15\%$

$=42 - 42 \times \frac{15}{100}$

$=42 - 21 \times \frac{15}{50}$

$=42 - \frac{315}{50}$

$= 42 - 6 \: \frac{15}{50}$

$= 41 \: \frac{50}{50} - 6 \: \frac{15}{50}$

$= 35 \: \frac{35}{50}$

$= 35.70$

<h3>Answer:</h3>

The family did spend $35.70 on the meal after the coupon

<h2>b.</h2><h3>Solution:</h3>

$35.70 + 42 \times 20\%$

$= 35.70 + 42 \times 0.2$

$= 35.70 + 8.4$

$= 44.10$

<h3>Answer:</h3>

The family did spend $44.10 on the meal in total.

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4 0

3 years ago