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kiruha [24]
3 years ago
10

URGENT WILL GIVE BRAINLEIST

Mathematics
1 answer:
Rufina [12.5K]3 years ago
4 0
What is it?? What’s the question
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The sum of the measures of the angles shown is 81°. Which is the measure of angle y?
Rus_ich [418]

Answer: because djsjs

Step-by-step explanation:

8 0
3 years ago
Simplify: (2x – 3)2<br><br> 4x2 + 9<br><br><br> 4x2 – 12x + 9<br><br> 4x2 – 12x + 6<br><br> 4x2 – 6
Alexxandr [17]

Answer:

4x^2-12x+9

Step-by-step explanation:

we have

(2x-3)^2

we know that

(a-b)^2=a^2-2ab+b^2

In this problem

a=2x\\b=3

substitute in the formula

(2x-3)^2=(2x)^2-2(2x)(3)+(3)^2

(2x-3)^2=4x^2-12x+9

7 0
3 years ago
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Find the student's error in solving the following
zheka24 [161]

x>7

Step-by-step explanation:

when dividing by a (-)

the inequality sign changes

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3 years ago
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A container holds 21 spoons and 27 forks. What is the ratio of spoons to the total number of utensils in the container?
sergey [27]
If there's 21 spoons and 27 forks than there are 48 utensils, and the ratio of spoon to total stilis is 21/48, and if you reduce that it is 7/16. So your answer is B. 7/16.<span />
4 0
3 years ago
If 7 litres of petrol cost $14.70 ,calculate the cost of 15 litres of petrol<br><br> Kindly answer
erastovalidia [21]

Answer:

The cost of 15 liters is $31.50

Step-by-step explanation:

1. Find the price for 1 liter of petrol.

Divide the cost by the number of liters:

$14.70 / 7 = $2.10 per liter.

2. Multiply the price for 1 liter by the new number of liters, 15.

$2.10 per liter x 15 liters = $31.50

3 0
3 years ago
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