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2 years ago

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Mathematics

1 answer:

Travka [436]2 years ago

6 0

Answer:

b. 4 min c. 5 min

Step-by-step explanation:

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45 – (–32) + (–12) – |–7|

mash [69]

Answer:

Simplify the expression.

Step-by-step explanation:

7 0

3 years ago

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A lawn sprinkler sprays water 5 ft in every direction as it rotates. What is the area of the sprinkled lawn?

Karolina [17]

Answer:

78.57

Step-by-step explanation:

Radius is 5 feet

Area of circle is pi*r Squared

22/7*5*5

78.57 square feet

6 0

2 years ago

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3x + ky = 8

sattari [20]

Answer:

(a): x is 3 and ky is -1

(b): k is -2

Step-by-step explanation:

Let: 3x + ky = 8 be equation (a)

x - 2 ky = 5 be equation (b)

Then multiply equation (a) by 2:

→ 6x + 2ky = 16, let it be equation (c)

Then equation (c) + equation (b):

${ \sf{(6 + 1)x + (2 - 2)ky = (16 + 5)}} \\ { \sf{7x = 21}} \\ { \sf{x = 3}}$

Then ky :

${ \sf{2ky = 3 - 5}} \\ { \sf{ky = - 1}}$

${ \bf{y = \frac{1}{2} }} \\ { \sf{ky = - 1}} \\ { \sf{k = - 2}}$

4 0

3 years ago

You work full-time and make $17 per hour. What is your gross annual income?

GREYUIT [131]

Answer:

Your welcome

Step-by-step explanation:

$8160 the hours would be 480

$680 the hours would be 40

$35,360 the hours would be 2,080

$36,720 the hours would be 2,160

3 0

2 years ago

10 5 5 10 5 5 1. What is the perimeter of this figure, to the nearest unit ?!

olga55 [171]

Step-by-step explanation:

IIIIIIIIIIIIisjsbsbszzvsbshsgsvsbdhdhd dbdhhdbd 5 dbdhdbdbdbsgs s dbshsbd dbshsvssbs sjhdd. dhd

6 0

3 years ago

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Help meeeeeeeeeeeeeee