A boat travels for 4 hours at a constant speed of 30 km/h.How far does the boat travel?

30 km

120 km

160 km

80 km

Answers

Answer 1

Answer:

Answer:the boat travel of a constant speed of 120km

Step-by-step explanation:

4x30=120

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Malik stops at the grocery store to buy a bag of diapers and 2 cans of formula. He spends a total of $37. The next week he stops and buys 2 bags of diapers and 5 cans of formula for a total of $87. How much does a bag of diapers cost? How much is one can of formula?
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Which ordered pair does NOT lie on the graph of h(x )= -2x + 7I have no idea how to solve this, please help me! Thanks!

Answers

Replace X with the x value in the parenthesis and solve. If the answer equals the Y value inside the parenthesis, it is a solution.

A) (-2, 3), -2(-2) +7 = 4+7 = 11. 11 does not equal 3 so this is not a solution.

B) (-1,9), -2(-1) +7 = 2+7 = 9. 9 equals 9, this is a solution.

c) (3,1), -2(3)+7 = -6+7 = 1, 1 equals 1, this is a solution.

d) (4,-1) = -2(4) +7 = -8 +7 = -1. -1 equals -1, so this is a solution.

The only one that isn't a solution is A.

The total capacity of 6 pitchers and 12 glasses is 21 liters. The capacity of a pitcher is 5 times that of a glass. Find the capacity of each glass. Give you answer in liters.

Answers

First you must set up an equation. Since there are 6 pitchers and 12 glasses you put. 6p + 12g = 21. Then they give you what p is (5g) and you plug that in and solve for g.

6(5g) + 12g = 21
30g + 12 g = 21
42 g = 21

Divide 42 on both sides to isolate the variable g. You get g = 0.5

The answer is that the capacity of each glass is 0.5 liters.

The relationship between the number of 12$ DVDs you by and the total cost

Answers

Answer:

C = 12n

Step-by-step explanation:

Let C = the total cost

and n = the number of DVDs

Then

C = 12n

Joe has been given a treasure map on which he must plot three points. There is a portion of the treasure at each point. Point A is at (-4,0), Point B is at (-4,5), and Point C is at (4,2). If Joe has already found his at Point A, how far must he walk to get to Point B? I think it has something to do with a coordinate plane, I'm not sure.

Answers

yo has to find distance from A to B
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What is 8x+4/2 in simplest form ?

Answers

The simplest form is 8 x + 2.

8x+4/2 in simplest form is 8x+2

HELP PLS ASAPKira solved the equation in the following way.
7/2 − 2x = 11/2
7/2 − 7/2 − 2x = 11/2 − 7/2
−2x ÷ −2 = 4/2 ÷ − 2
x = −1
Describe the properties of equality that Kira used.

The first step is to use the _______ property of equality to combine the constant terms.
1.addition
2.subtraction
3.multiplication
4.division
The second step is to use the _______ property of equality to isolate the variable.
1.addition
2.subtraction
3.multiplication
4.division