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Readme [11.4K]
2 years ago
15

At the beginning of the school year, each student's height was measured Ryans's height was measured 48.2 inches his friend Sara

was 2.05 inches shorter than their friend Joel had measured 3 inches taller than Sara. what were the heights of Sara and Joel?
FIRST 3 PEOPLE WHO ANSWER GETS BRAINLESS........
Mathematics
1 answer:
kirill115 [55]2 years ago
4 0

Answer:

Step-by-step explanation:

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. Which pair of angles are congruent? *
Pachacha [2.7K]

Answer:

a

Step-by-step explanation:

5 0
3 years ago
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Write the slope-intercept form of the equation of the line described below.
prisoha [69]

The equation of the line is y=-\frac{2}{5}x-5

Explanation:

Given that the line passes through the points (-5,-3)

The slope of the line is m=-\frac{2}{5}

We need to determine the equation of the line.

<u>Equation of the line:</u>

The equation of the line can be determined using the formula,

y-y_1=m(x-x_1)

Let us substitute the points (-5,-3) and the slope m=-\frac{2}{5} in the above formula.

Thus, we have;

y+3=-\frac{2}{5}(x+5)

Simplifying, we get;

y+3=-\frac{2}{5}x-2

Subtracting 3 from both sides of the equation, we get;

y=-\frac{2}{5}x-5

Hence, the equation of the line in slope - intercept form is y=-\frac{2}{5}x-5

4 0
3 years ago
How would you do this problem?
sweet [91]
F(x)=-5t^2+20t+60
Divide everything by -5
f(x)=t^2-4t-12
(t-6)(t+2)
Set it up to zero
t-6=0. t+2=0
t=6. t=-2
Since you can’t have negative seconds, the answer is 6 seconds
3 0
2 years ago
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To make his famous chocolate cake, a baker uses chocolate that is 75% cocoa.
Masja [62]

The baker needs to use 100/3 pounds of 90% chocolate to make the cake.

<h3>Equation </h3>

An equation is an expression used to show the relationship between two or more numbers and variables.

Let x represent the amount of 90% chocolate. Using equation:

100 * 70% + x * 90% = (x + 100) * 75%

100 * 0.7 + 0.9 * x = (x + 100) * 0.75

70 + 0.9x = 0.75x + 75

x = 100/3

The baker needs to use 100/3 pounds of 90% chocolate to make the cake.

Find out more on Equation  at: brainly.com/question/22688504

8 0
2 years ago
Does the point (0, 7) satisfy the equation y = x + 7?
Masja [62]

Answer:

yes

Step-by-step explanation:

slope is 1 and points are (0,7)

6 0
2 years ago
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