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Ierofanga [76]
3 years ago
11

Help ASAP WILL MARK BRAINLIEST THANK YOU!

Mathematics
2 answers:
mafiozo [28]3 years ago
7 0

Answer:

○ D. (42 ÷ 2) + 5

Step-by-step explanation:

<em>Five</em> <em>more</em><em> </em><em>than</em><em> </em><em>half</em><em> </em>tells it all. He 42 miles on Monday, then drove <em>5 more than half</em>:

(42 ÷ 2) + 5

<em>Half</em><em> </em>means you either multiply by ½, or divide by 2.

I am joyous to assist you anytime.

Yuki888 [10]3 years ago
5 0

Answer:

D

Step-by-step explanation:

half of the miles he drove yesterday is <u>(42/2)</u> and <u>+5 </u>because he said five more than half.

hope this helps and is correct!

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In the spinner below, what is true about the probability of landing on 3 and the probability of landing on 4?
Karo-lina-s [1.5K]

Answer:

C.The probabilities are equal.  

The above statement is the only TRUE statement.

Step-by-step explanation:

Here, the given number of total possibilities are { 0,1,2,3,4,5,6,7,8,9}

So, number of total outcomes = 10

Let E : Event of spinner landing on 3

and E' : Even of spinner landing on 4

{Probability of Event E}  =  \frac{\textrm{Total number of favorable outcomes}}{\textrm{Toatl outcomes}}

\implies P(E) = \frac{1}{10}

⇒ P( landing on 3 ) = 1/10

and  P(E') = \frac{1}{10}

P( landing on 4 ) = 1/10

Now, the given statements are

A.The probability of landing on 3 is less than  probability of landing on 4.

FALSE, as both the probabilities are equal to 1/10.

B.The probability of landing on 3 is greater than probability of landing on 4.

FALSE, as both have same probabilities.

C.The probabilities are equal.

TRUE, both have same probability = 1/10

D.The probabilities cannot be predicted

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3 0
2 years ago
Read 2 more answers
15+0.5x=25+0.25x please show how
sveticcg [70]

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

x= 40

8 0
2 years ago
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PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!
Brilliant_brown [7]

-2<em>x</em> + 6<em>y</em> = -38

3<em>x</em> - 4<em>y</em> = 32

To solve by elimination, multiply the top equation by 3 and the bottom equation by 2.

3(-2<em>x</em> + 6<em>y</em> = -38) --> -6<em>x</em> + 18<em>y</em> = -114

2(3<em>x</em> - 4<em>y</em> = 32) --> 6<em>x</em> - 8<em>y</em> = 64

Add the equations.

-6<em>x </em>+ 18<em>y</em> = -114

6<em>x</em> - 8<em>y</em> = 64

+_____________

0 + 10<em>y</em> = -50

10<em>y</em> = -50

<em>y</em> = -5

Substitute -5 for y into one of the original equations to find x.

3<em>x</em> - 4<em>y</em> = 32

3<em>x</em> - 4(-5) = 32

3<em>x</em> + 20 = 32

3<em>x</em> = 12

<em>x</em> = 4

Check work by plugging the <em>x</em>- and <em>y</em>-values into both of the original equations.

-2<em>x</em> + 6<em>y</em> = -38

-2(4) + 6(-5) = -38

-8 - 30 = 38

38 = 38


3<em>x</em> - 4<em>y</em> = 32

3(4) - 4(-5) = 32

12 + 20 = 32

32 = 32

Answer:

<em>x</em> = 4 and <em>y</em> = -5; (4, -5).

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Evaluate 9(n+2) -5n when n=1/4
GrogVix [38]

Replace values of n in expression with 1/4.

9(1/4 + 2) - 5(1/4)

Distributive property

9/4 + 2 - 5/4

Rearrange.

2 + 9/4 - 5/4

Subtract.

2 + 4/4

Simplify.

2 + 1

3.

<h3>The expression is equal to 3 when n = 1/4. </h3>
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