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Phoenix [80]
3 years ago
7

A test has 20 questions how many do you need to answer correctly in order to get 4/5 of them right

Mathematics
2 answers:
Ket [755]3 years ago
7 0

4/5 x 20 = 16


Answer: 16 questions

lora16 [44]3 years ago
5 0

To figure out the question, we can do 20 multiplied by 4/5, aka 0.8, and we get 16 questions as our answer!

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Harrizon [31]
the answer should be letter A

the difference of 3.4 and 1.25 = 2.15

Now you know that there will be 2 whole blocks and .15 of a block

.15 is equal to 3/20 which is equal to 15/100.

So you will have 2 whole blocks and 15/100 of a blocks. So the answer is A
4 0
2 years ago
0.6x-0.1=0.5x+2 <br> The solution set is {_} <br><br> PLEASE PLEASE PLEASE EXPLAIN HOW
timurjin [86]

Answer:

21

Step-by-step explanation:

Step 1:

0.6x - 0.1 = 0.5x + 2      Equation

Step 2:

0.1x - 0.1 = 2     Subtract 0.5x on both sides

Step 3:

0.1x = 2.1     Add 0.1 on both sides

Step 4:

x = 2.1 ÷ 0.1    Divide

Ansewr:

x = 21

Hope This Helps :)

3 0
3 years ago
Can someone help please
Serjik [45]
X=106 with working shown in the photo

3 0
2 years ago
Read 2 more answers
Which graph shows the solution set of -2 +<br> H<br> -<br> -4<br> -3<br> -2.<br> -1<br> 0<br> 1<br> 2.<br> 3<br> 4<br> 5<br> o<b
natulia [17]

Answer:

Where is the graph?

6 0
2 years ago
Read 2 more answers
X+5=121 please help me thank you. brainliest if helped
vampirchik [111]

Solution, solve\:for\:x,\:x+5=121\quad :\quad x=116

Steps:

x+5=121

\mathrm{Subtract\:}5\mathrm{\:from\:both\:sides},\\x+5-5=121-5

\mathrm{Simplify},\\x=116

\mathrm{The\:Correct\:Answer\:is\:x=116}

\mathrm{Hope\:This\:Helps!!!}

\mathrm{-Austint1414}

5 0
2 years ago
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