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2 years ago

70. Georgia has only dimes and quarters in her bag. She has a total of 18 coins

Mathematics

1 answer:

____ [38]2 years ago

3 0

Georgia has two more dimes than quarters.
Quarters: 8
Dimes: 10
(WORK SHOWN BELOW)

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Kay and Allen sell cell phones. Kay sold 17 more cell phones than Allen. Together they sold 117. How many did they sell individu

denis-greek [22]

Answer:

Kay sold 67 cell phones and Allen sold 50 cell phones.

Step-by-step explanation:

Let k = # cell phones Kay sold and a = # cell phones Allen sold.

k + a = 117

k = 17 + a

So:

(17 + a) + a = 117

2a = 100

a = 50

Plug this back into 2nd equation:

k = 17 + a

k = 17 + 50

k = 67

Kay sold 67 cell phones and Allen sold 50 cell phones.

5 0

3 years ago

(20 Points) Please Help Me This Is For A DBA

Natalija [7]

Answer:

Step-by-step explanation:

For problem #1 identify the coordinates of the point of intersection of the two lines. This point is (4, 2), and this is the solution to #1.

In problem #2 the lines never cross, and thus we conclude that there is no solution.

6 0

3 years ago

a new line is drawn through the point (-3,6) and perpendicular to the line with x-intercept (3,0) and y intercept (0,3) . what i

Klio2033 [76]

Answer:

The equation of the new line is $y=x+9$ or $y-6=(x+3)$

Step-by-step explanation:

step 1

Find out the slope of the line with x-intercept (3,0) and y intercept (0,3)

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

substitute the values

$m=\frac{3-0}{0-3}=-1$

step 2

Find the slope of the new line perpendicular to the given line

we know that

If two lines are perpendicular,then their slopes are opposite reciprocal (the product of their slopes is equal to -1)

$m_1*m_2=-1$

we have

$m_1=-1$ ----> slope of the given line

$m_2=1$ ---> slope of the new line

step 3

Find the equation of the new line in point slope form

$y-y_1=m(x-x_1)$

we have

$m=1$

$(x_1,y_1)=(-3,6)$

substitute

$y-6=(1)(x+3)$

$y-6=(x+3)$ ----> equation in point slope form

Convert to slope intercept form

$y=mx+b$

isolate the variable y

$y=x+3+6$

$y=x+9$

6 0

3 years ago

gallon of water weighs 8.354 pound. simon uses 11.81 gallon of water while taking a shower. about how many pound of water did si

Svetach [21]

1 gallon______8.354 lbs.
11.81 gallons______?
8.354 x 11.81 = 98.66
98.66 / 1 = 98.66 lbs.

6 0

3 years ago

Your dad is 73.5 inches tall. You are 2.5 inches shorter than your dad. Your mom is 3.25 inches shorter than you. How tall is yo

tatuchka [14]

Your mom is 67.75 inches tall

5 0

3 years ago

Read 2 more answers