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3 years ago

Please help with solving this problem....!!!

Mathematics

1 answer:

kifflom [539]3 years ago

6 0

Answer:

The Average Temperature for the week is -1°C

Step-by-step explanation:

First to find the average, you have to combine all the numbers

-3-4+0-2+0+3-1 = -7

Then you have to divide the total, with the number of numbers used to combine to make the total

-7 ÷ 7 = -1

The average temperature is -1°C

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Roberta is 20 years older than Julian. In 4 years, Roberta's age will be twice Julian's age.

mars1129 [50]

Step-by-step explanation:

There are 2 questions in one.

Roberta is 20 years older than Julian. In 4 years, Roberta's age will be twice Julian's age:

r = j + 20
r + 4 = 2j

---------------------------

Roberta is twice as old as David. In 10 years, Roberta will be 8 less than three times David's present age:

r = 2d
r + 10 = 3d - 8

Correct choice is A

8 0

2 years ago

There are 50 students in a class. If 14% are absent on a particular day, find the number of students present in the class. What

Tcecarenko [31]

Answer:

i THINK 43% but im not for sure

Step-by-step explanation:

14% of 50 is 7

so 50-7=43

43(percent there)+7(percent gone)=50 (number of students)

SO 43% is still there.

SORRY IF IM WRONG have a good night :)

3 0

2 years ago

In a 24 km race, during which each runner maintains a constant speed throughout, Alice crosses the finish line while Becky is st

mr_godi [17]

Answer:6km

Step-by-step explanation:

Given

when Alice finishes the race Becky is 8km From finishing line

and caitlin 12 km from finishing line.

Suppose t is the time require by Alice to finish the race

and $V_a,V_b,V_c$ be the velocity of alice ,becky and caitlin

thus $t=\frac{24}{V_a}=\frac{24-8}{V_b}=\frac{24-12}{V_c}$

thus $\frac{V_b}{V_c}=\frac{4}{3}$

say t' is time required by beckey to complete 8 km thus

$V_b\times t'=8$

therefore for Caitlin

$V_c\times t'=\frac{8}{V_b}\times V_c=6$

Thus caitlin will cover a distance of 6 km in t' time and 6 km away from finishing.

7 0

2 years ago

PLEASE ANSWER QUICKLY I WILL LOVEEE YOU FORREVERRRRRR

pshichka [43]

Answer:

Answer would be 12

Step-by-step explanation:

i'm not always accurate but your welcome!

7 0

2 years ago

Write a word problem using 9 And 10 as factors. Write an equation to solve your problem.

katovenus [111]

First let’s create a word problem using the factors 9 and 10.
=> Maria bought 9 couple shirts and the price of each pairs of couple shirt is 10 dollar. Now, find the total amount that Maria spent for the 9 couple shirt that she bought.
Now, let’s show the solution to our given word problem
=> Number of pairs of couple shirt = 9
=> Amount of each pairs of couple shirt = 10 dollars
=> 9 x 10
=> 90
Thus Maria paid 90 dollars in total.

3 0

2 years ago