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diamong [38]
3 years ago
6

Create a proportion using the form %/100=is/of to represent the following word problem. 78% of what number is 42?

Mathematics
1 answer:
Digiron [165]3 years ago
6 0
First 42/78% to get 1% then multiply the number by 100% to get around 53 11/13
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What i
shusha [124]

Answer:

Answer: B, 6/11

Step-by-step explanation:

<em>Well we know that 3+2+1=6+3=9.</em>

<em>So that means we will add the 2 brown crayons to the denominator.</em>

<em>The denominator before we added 2 to it, it was 9 as a common denominator. If we want to get the common numerator we are going to have to add the top and that will become 9 then you will have to subtract that by 3</em>

<em>6/11 is also the smallest number that you can get.</em>

<em>You can turn the fraction into a decimal and have it that way to make it easier.</em>

<em>When you turn a fraction into a decimal the number is always the same but with comparing numbers it is a lot easier to do than comparing fractions</em>

Hope this helps, and if it did I would appreciate it if you marked me as Brainllest. Have a wonderful day!

6 0
3 years ago
John was told that his IQ score was 3 standard deviations above the mean. If IQ scores were approximately normal with μ=93 and σ
Darina [25.2K]

9 is the standard deviation in this problem. The mean iq score is 93.

This meant that his IQ score is 93+9*3=93+27=120 :) also this john person is really smart im jealous :(

4 0
2 years ago
Help me plsss i am soo bad at this
lara [203]

Step-by-step explanation:

GIVEN: O is the mid point of AC & BD.

Therefore, AO = CO & BO = DO

\therefore \: AO   \: \cong \: CO.. (given) \\  \\  \:  \:  \:  \:  \angle \: AOB  \: \cong \:\angle \:COD\\..(vertically\:opposite\:angles) \:  \\  \\  \& \: \:  \:   BO  \: \cong \: DO.. (given)  \\  \\  \therefore \triangle \: AOB  \:  \cong \:  \triangle \:COD  \\ ..(by \: SAS \: test  \: of  \: congruence ) \\  \\   \therefore AB =  CD.. \\ (Corresponding  \: sides  \: of  \: congruent  \: triangles)

8 0
3 years ago
Solve the absolute value equation 2x-4&gt;5
lawyer [7]

Hello.

The answer is: X=9/2

Step 1: Add 4 to both sides.

2x−4+4>5+4

2x>9

Step 2: Divide both sides by 2.

2x/2>9/2

X>9/2

Have a nice day

5 0
3 years ago
Examine the intersection of these lines:
Leto [7]

Answer:

∠B and ∠F

∠F and ∠E . . . already listed in the problem statement, so may not be considered an "other pair"

Step-by-step explanation:

∠C and ∠F are vertical angles, so are congruent. Then any angle complementary to one of those will also be complementary to the other.

Likewise, ∠B and ∠E are vertical angles and congruent. Any angle complementary to one of them will also be complementary to the other. Here, ∠E and ∠F are listed as complementary, so we know ∠B and ∠F will be also.

3 0
2 years ago
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