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hram777 [196]
1 year ago
12

2/5 of the pupils in Year 9 say

Mathematics
2 answers:
noname [10]1 year ago
6 0

Answer:

30 prefer red

Step-by-step explanation:

Multiply the fraction by the number of students:

75(\frac{2}{5})=\frac{(75)(2)}{5}  =\frac{150}{5} =30

Hope this helps

Serjik [45]1 year ago
4 0

Answer:

30 pupils

Step-by-step explanation:

first you divide 75 and 2.5 to get 30.

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Find the GCF of 6x^7 and 15x^3?
LekaFEV [45]
I believe the answer is 3x^3

since 3 is the greatest common factor for the whole number and both have at least x to the third
5 0
3 years ago
Write 28/20 and 70/50 as fractions in simplest form. then determine whether the ratios form a proportion.
jeyben [28]
28/20 in simplest form is: 7/5
70/50 in simplest form is 5/7
Because,
28/20 divided by 2 is 14/10, divided by 2 again is: 7/5
70/50 divided by 2 is 25/35, divided by 2 again is: 5/7
5 0
3 years ago
Estimate the time Juanita will arrive at her aunt's home 320 miles away if she leaves at 9:00 a.m., drives about 60 miles per ho
uranmaximum [27]

Answer:

D. 3:00 p.m.

Step-by-step explanation:

d = Distance = 320 miles

s = Speed = 60\ \text{mph}=\dfrac{60}{3600}=\dfrac{1}{60}\ \text{miles/s}

Time taken is given by

t=\dfrac{d}{s}\\\Rightarrow t=\dfrac{320}{\dfrac{1}{60}}\\\Rightarrow t=19200\ \text{s}

40 minutes break is 40\times 60=2400\ \text{s}

Total time taken is 19200+2400=21600\ \text{s}=\dfrac{21600}{60\times 60}=6\ \text{hours}.

So, the entire trip took 6 hours. 6 hours after 9 a.m. is 3 p.m.

4 0
2 years ago
Write the word sentence as an inequality.
garik1379 [7]

Answer:

-5b <= -34

Step-by-step explanation:

The inequality phrase, "at most" is same as "less than or equal to". So the algebraic inequality would be -5b <= -34. To solve for b, divide both sides by -5 and make sure to switch the inequality symbol to >= when dividing or multiplying inequalities by a negative number. So b >= 34 / 5.

4 0
2 years ago
Which condition would prove ΔDEF ∼ ΔJKL?
Svet_ta [14]

Step-by-step explanation:

DE : JK

= 21 : 7

= 1 : 3

<h3>#CMIIW</h3>
3 0
3 years ago
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