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valentina_108 [34]
3 years ago
8

I confused a lot plz help

Mathematics
2 answers:
Naily [24]3 years ago
5 0
You have to divide 25 and 4 then add two
zaharov [31]3 years ago
4 0
(25 ÷ 4) + 2
↑↑↑↑↑↑↑↑↑
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Please help due NOW PLEASE HELP
marin [14]

Answer:

Constant

Step-by-step explanation:

(1,32)

(2,64)

(3,96)

They increase by 32 each time

6 0
2 years ago
Solve this system of equations.<br><br> x + y = -3<br><br> x - y = 1
Sindrei [870]
A. (-1,-2)

Because:
x + y = -3                                     
-1 + (-2) = -3
-3 = -3

x - y = 1
-1 - (-2) = 1
-1 + 2 = 1
1 = 1
4 0
3 years ago
Read 2 more answers
Hector is dividing students into groups for an HR wants to divide the boys and girls so that each group has the same number of t
Roman55 [17]

Answer:

7 groups, 3 boys and 8 girls

Step-by-step explanation:

Let total number of groups be x

and total hikers in one group be y

if number of girls and boys in every group is same, then

\frac{21}{x} + \frac{56}{x} = y

\frac{21 + 56}{x} = y\\x*y = 77 ....(1)

from (1) x will either be 11 or 7

for x = 11 the values won't be real.

For x = 7\\y = \frac{77}{7} \\y = 11

so there will be 7 groups with 11 hikers in each groups and every group will have \frac{21}{7} = 3 boys and \frac{56}{7} = 8 girls

6 0
3 years ago
A car travels 240 kilometers in 2 1/2 hours what is its speed
Oksanka [162]

Answer:

v = 96 km/h

Step-by-step explanation:

Data:

d = 240 km

t = 2.5 h

speed = d/t

speed = 240/2.5 = 96 km/h

8 0
3 years ago
A length is measured at 21 cm correct to two significant figures, what is the lower bound of the length and upper bound?
Andreyy89

Answer:

20.5 and 21.5

Step-by-step explanation:

It says 2 significant figures so the least it can possibly be is 0.5 less and the most it can be is 0.5 more as if it was, lets say 20.4 it would round down to 20 not 21.

7 0
2 years ago
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