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Luba_88 [7]
4 years ago
6

QUESTION 1 of 10: You have planned activities of 30 minutes, 15 minutes, 1.5 hours, and .75 hours. How many total hours of activ

ity do you
have planned?
DME
AR
ins
a) 1
Info
b) 2
C) 25
d) 3
Mathematics
1 answer:
patriot [66]4 years ago
3 0

Answer:

d) 3

Step-by-step explanation:

1.5= 1 hour and 30 mins

+ 30 mins = 2 hours

.75 hours = 45 mins

+ 15 mins = 1 hour

2 hours + 1 hour = 3 hours

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Graphing<br>solve a system of equation by graphing ​
Alex787 [66]

SOLUTION:

Point \ (1,3)

<h2>Explanation:</h2>

Let's use the following System of Linear Equations in Two Variables in order to solve this exercise:

\begin{array}{c}(1)\\(2)\end{array}\left\{ \begin{array}{c}y=2x+1\\y=-4x+7\end{array}\right.

So we can graph these lines using two points.

For eq (1):

y=2x+1 \\ \\ If \ x=0 \ then \ y=2(0)+1 \therefore y=1 \\ \\ If \ y=0 \ then \ 0=2x+1 \therefore x=-\frac{1}{2} \\ \\ \\ Points: \\ \\ (0,1) \\ \\ (-\frac{1}{2},0)

So graph a line that passes through these two points. This is the red line shown below.

For eq (2):

y=-4x+7 \\ \\ If \ x=0 \ then \ y=-4(0)+7 \therefore y=7 \\ \\ If \ y=0 \ then \ 0=-4x+7  \therefore x=\frac{7}{4} \\ \\ \\ Points: \\ \\ (0,7) \\ \\ (\frac{7}{4},0)

So graph a line that passes through these two points. This is the blue line shown below.

<em>The solution of this system of equation is the point of intersection, which is (1,3)</em>

<h2>Learn more:</h2>

Parallel lines: brainly.com/question/12169569

#LearnWithBrainly

8 0
3 years ago
What is 56 minus 11 ????
geniusboy [140]
45 is your answer to 56-11
8 0
3 years ago
Need help, please explain the answer
Mkey [24]

Answer:

Step-by-step explanation:

U have to multiply 49 by 49 and then subtract 9

4 0
3 years ago
Which problem is represented by this inequality 12x≥48
MArishka [77]
What are the answers choices
8 0
3 years ago
a triangle has a base of 15 inches and an area of 82.5 square inches. What is the height of the triangle
horrorfan [7]

Area of a triangle = 1/2 x base x height.

Replace are and base to get:

82.5 = 1/2 x 15 x height

Multiply both sides by 2:

165 = 15 x height

Divide both sides by 15:

Height = 165 / 15

Height = 11 inches.

8 0
3 years ago
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