2 years ago

Out of 450 phones in a store, 270 are new models. What percent of the phones are new models?

Mathematics

1 answer:

andrezito [222]2 years ago

4 0

Answer:

180

Step-by-step explanation:

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Write each percent as a fraction <br> 170%<br> 120%<br> 220%

Likurg_2 [28]

Answer:

Step-by-step explanation:

1.17/10

2.6/5

3.11/5

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3 years ago

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Help with 9 and 10 please?

JulsSmile [24]

9. Let x equal the number

Two less than a number is

x - 2

Is more than 15 is

> 15

Put them together for

x-2 > 15

Now solve

x-2 > 15
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10. Let x equal a number

Seven more than a number is

x+ 7

Is less than or equal to 27 is

<= 27

Put them together for

x + 7 <= 27

Now solve

x+ 7 <= 27
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2 years ago

What is the appoximate distance between points d and e round your answer to the nearest hundreth

Oksana_A [137]

The distance between the 2 points is approximately 8.25

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2 years ago

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You should do 9/4 divided by 3/8

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The larger leg of a right triangle is 3cm longer than its smaller leg. The hypotenuse is 6cm longer than the smaller leg. how ma

Natalka [10]

$b=a+3\\
c=a+6\\
a^2+b^2=c^2\\\\
a^2+(a+3)^2=(a+6)^2\\
a^2+a^2+6a+9=a^2+12a+36\\
a^2-6a-27=0\\
a^2-9a+3a-27=0\\
a(a-9)+3(a-9)=0\\
(a+3)(a-9)=0\\
a=-3 \vee a=9\\
$

The length can't be negative, so the answer is 9 cm.

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2 years ago

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