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Mademuasel [1]
3 years ago
9

30 points and brainliest help me out please. 5th grade

Mathematics
1 answer:
Tatiana [17]3 years ago
8 0

Answer:

Step-by-step explanation:

a,a, and a

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Tom has $15.86 to buy marbles that cost $1.25 each. he wants to know how many marbles he can buy. what should he do after he div
Oksanka [162]
Tom can buy 12 marbles.
4 0
3 years ago
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I need help thank you!<br> (7x + 14)<br> (15x - 4)
sergey [27]

Answer:

(7x + 14)° = 84°

(15x - 4)° = 146°

Step-by-step explanation:

62° + (7x + 14)° = (15x - 4)°

62° +7x + 14 = 15x - 4

15x - 7x = 62 + 14 + 4

8x = 80

x = 10

Therefore, exterior angle (15x - 4)° = 146°

                interior angle (7x + 14)° = 84°

8 0
3 years ago
6 A U 3 3 1 2 3 What is the equation of the line in slope-intercept form? The equation of the line is​
AleksandrR [38]

Answer:

y = -\frac{5}{4} x+5

Step-by-step explanation:

1) First, find the slope of the line by using two points on the graph. We can see that (0,5) and (4,0) are clearly marked on the line, so let's use those points.  Use the slope formula m = \frac{y_2-y_1}{x_2-x_1} and substitute the x and y values of those points into it, then simplify:

m =\frac{0-5}{4-0} \\m = \frac{-5}{4}

So, the slope is -\frac{5}{4}.

2) Now, identify the y-intercept on the graph. The y-intercept is the point at which the line intersects the y-axis. By reading the graph, we can see that the line intersects the y-axis at (0,5), so that must be the y-intercept.

3) Substitute values for m and b in the slope-intercept formula, y = mx + b, to write the equation of the line. Since m represents the slope, substitute -\frac{5}{4} for it. Since b represents the y-intercept, substitute 5 in its place. This gives the following answer and equation in slope-intercept form:

y = -\frac{5}{4} x+5

5 0
3 years ago
Kathleen and Arnob both run from the park entrance along a loop. Kathleen starts walking from the park entrance and gets a 5-mil
Ilia_Sergeevich [38]

For this case, the first thing we must do is define variables.

We have then:

x: time in minutes

y: distance traveled.

We then have the following equations:

For Kathleen:

y = (\frac{1}{15}) x + 5

For Arnob:

y = (\frac{2}{15}) x

By the time Arnob reaches Kathleen we have:

(\frac{1}{15}) x + 5 = (\frac{2}{15}) x

From here, we clear the value of x.

We have then:

(\frac{2}{15}) x - (\frac{1}{15}) x = 5

(\frac{1}{15}) x = 5\\x = (15) * (5)\\x = 75 min

Answer:

it takes Arnob to catch up to Kathleen 75 minutes:

d. 75

5 0
3 years ago
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NEED HELP ASAP
IrinaVladis [17]

Answer:

B sin 9° = cos 81°

As both values is

0.156434465

7 0
3 years ago
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