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irinina [24]
3 years ago
11

If r = 18 and t = 6, what is the value of the following expression? r + 42 ÷ t · 5

Mathematics
1 answer:
AleksAgata [21]3 years ago
4 0

Answer:

53

Step-by-step explanation:

42/6=7

7*5=35

18+35=53

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The sum of 6 and another number is 23, write and solve an equation to find the other number
zlopas [31]

Answer: 23 - 6 = x

x = 17

Step-by-step explanation:

6 + x = 23

x = 23 - 6

23 - 6 = 17

x = 17

6 + 17 = 23

Hope this helps!

7 0
3 years ago
Read 2 more answers
A jar of marbles contains the following: two purple marbles, four white marbles, three blue marbles, and two green marbles. What
Llana [10]

Answer:

4/11

Step-by-step explanation:

Total number of marbles = 2(purple) + 4(white) + 3(blue) + 2(green)

                                          = 11

Number of white marbles = 4

Probability of selecting a white marble =

         number of white marbles/total number of marbles in the jar

         = 4/11

4 0
3 years ago
Ismael has a set of 5 solar panels and Ben has a set of 6 smaller solar panels. Each set of panels produce the same amount of en
eimsori [14]

9514 1404 393

Answer:

  Ben's

Step-by-step explanation:

If E is the amount of energy that each full set of panels produces, then ...

  3 of Ismael's 5 panels produce 3/5E

  4 of Ben's 6 panels produce 4/6E

We can compare these fractions when they have a common denominator.

  3/5E = 18/30E . . . . energy from Ismael's panels

  4/6E = 20/30E . . .  energy from Ben's panels

  18/30 < 20/30 . . . . so Ben's panels are producing more energy

5 0
3 years ago
Triangle DEF has vertices located at D (2, 1), E (3,5), and F (6,2).
IRINA_888 [86]

Answer:

(A)

Length of DE = √17

EF = √18

DF = √17

(B) Slope of DE = 4

EF = 1

DF = 1/4

(C) Isosceles triangle.

Step-by-step explanation:

See attached image.

3 0
2 years ago
A fish tank measures 20cm by 30cm by 40 cm. a jug holds 1.2 L. how many jugs of water are needed to fill the tank.
ra1l [238]

Answer:

Multiply the numbers then divide by the amount of water in the jug

Step-by-step explanation:

6 0
2 years ago
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