3 years ago

40% of her class is made up of girls. How many girls are in Ms. Kim's class?

Mathematics

1 answer:

m_a_m_a [10]3 years ago

6 0

Your question is not complet.. How many students are there total. if 100 40 girls

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Maria found a shirt for $18.90, a pair of jeans for $21, and a pair of shorts for $14.25. She bought the shirt and shorts. If sh

gavmur [86]

18.90+14.25=33.15
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3 years ago

7x + 2y=24<br> 8x + 2y=30

Bumek [7]

Answer:

x=6 y=-9

Step-by-step explanation:

Layer the equations on each other as you would in a subtraction problem:

8x + 2y=30

7x + 2y=24

Subtract the equation just like you would normally. This should leave 1x=6 or x=6.
Now that you have your x value, plug it in as x for one of the equations. For the 2nd equation, this leaves:

42+2y=24 then

2y=-18 then

y=-9

Double check your y value by plugging x=6 into the first equation. This should also leave y=-9.

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3 years ago

Is the following inequality true : 4 <_ 4 ?

marissa [1.9K]

Answer:

Yes

Step-by-step explanation:

This is true because it is asking you if this is less than or EQUAL TO. 4 = 4, making it true.

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3 years ago

Jim had 3 Phones he ate 2 of them and. How much dose he have left?

nignag [31]

Answer: If this is a trick question then he still has all 3 but if not he has 1

Step-by-step explanation:

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3 years ago

find the length of each isosceles right triangle when the hypotenuse is of the given measure given 8cm

Wewaii [24]

It is given that the triangle is isosceles right triangle . And in an isosceles right triangle the legs are equal . Let each leg be of x units. Now we use pythagorean identity, which is

$a^2 +b ^2=c^2$

$x^2 +x^2 = 8^2$

$2x^2 = 64$

$x^2 = 32$

$x = 4 \sqrt 2$

So the length of each leg is $4 \sqrt 2 .$

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3 years ago