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emmasim [6.3K]
3 years ago
8

Max spends three times as long on his math homework than he does on his science homework. If he spent total of 64 minutes on mat

h and science homework last night how long did he spend on homework?
Mathematics
2 answers:
Serjik [45]3 years ago
6 0

Answer:

                                                        options ?

Step-by-step explanation:

aleksley [76]3 years ago
6 0
Let m=math and s=science

m=3s
m+s=64

So using substitution,
3s+s=64
4s=64
s=16

So m=64-16=48

Math=48 minutes
Science =16 minutes
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Solve 112(14−6)−(−4)=−59
lesya [120]

<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3<3

Answer:

112 ( 14 − 6 ) − ( −4 ) ?= −59

900 ≠ −59

False

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5 0
2 years ago
Find the value of 'x' in the given figure <br>​
Dahasolnce [82]

Answer:

x=10

Step-by-step explanation:

The value of x is 10

rate me and thank me!!!

7 0
3 years ago
Read 2 more answers
In a recent survey of 1002 people, 701 said that they voted in a recent presidential election. Voting records show that 61% of e
steposvetlana [31]

Answer:

The 95% confidence interval estimate of the proportion of people who say that they voted

(0.67122 , 0.72798)

Step-by-step explanation:

<u><em>Step(i)</em></u>:-

In a recent survey of 1002 people, 701 said that they voted in a recent presidential election.

Sample proportion

                          p = \frac{x}{n} = \frac{701}{1002} = 0.6996  

<u><em>Step(ii)</em></u>

The 95% confidence interval estimate of the proportion of people who say that they voted

(p^{-} - Z_{0.05} \sqrt{\frac{p(1-p)}{n} } , p^{-} + Z_{0.05} \sqrt{\frac{p(1-p)}{n} } )

(0.6996 - 1.96\sqrt{\frac{0.6996(1-0.6996)}{1002} } , 0.6996 + 1.96 \sqrt{\frac{0.6996(1-0.6996)}{1002} } )

(0.6996 - 1.96 X 0.01448 , 0.6996 + 1.96 X 0.01448)

(0.6996 - 0.02838 , 0.6996 + 0.02838)

(0.67122 , 0.72798)

<u><em>Final answer</em></u>:-

The 95% confidence interval estimate of the proportion of people who say that they voted

(0.67122 , 0.72798)

7 0
2 years ago
What is the missing number in this sequence: 1 , 3, ___ , 10 , 15 , 21 ?
Arte-miy333 [17]

Answer:

6

Step-by-step explanation:

the sequence increases by 1,2,3,4,5,6 each time, thus it is 6

3 0
1 year ago
Ten times the square of a non‐zero number is equal to seventy times the number. What is the number?
Nikolay [14]
The original number is 7 i think.
10(x^2) = 70x
10x^2 - 70x = 0
x^2 -7x =0
Δ= b^2 -4ac
where c doesnt exist=0
Δ= 49
-b ± √Δ /2a
7 ± √49 /2
7±7/2
x is either 14/2= 7
or 1/2, which doesnt work.

Lets see:
10(7^2) = 70•7
10•49 = 490
and that is right.

i hope my logic is correct.
5 0
3 years ago
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