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Over [174]
3 years ago
12

Jessica has baseball cards she gave 3 to her friends she now has 9 baseball cards left how many baseball cards did she have to s

tart with
Mathematics
2 answers:
alexgriva [62]3 years ago
7 0

Answer:

she had 12 baseball cards

Step-by-step explanation:

valina [46]3 years ago
7 0

Answer:

Jessica had 12 baseball cards to start  with because 3+9=12

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A recipe for 12 baked chocolate chip cookies calls for 2 cups of flour to 0.75 cups of semi-sweet chocolate chips. What is the r
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Step-by-step explanation:

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8 0
3 years ago
Write an equation of the line that passes through the given point and is (a) parallel and (b) perpendicular to the given line.
Harrizon [31]

Answer:

Equation of the line that passes through the given point and is (a) parallel is: \mathbf{y=-2x+11}

Equation of the line that passes through the given point and is (b) perpendicular is: \mathbf{y=\frac{1}{2}x+1}

Step-by-step explanation:

We need to Write an equation of the line that passes through the given point and is (a) parallel and (b) perpendicular to the given line.

First we will find slope of the line given in graph

The slope can be found using formula: Slope=\frac{y_2-y_1}{x_2-x_1}

We have points (1,6) and (2,2)

Slope is:

Slope=\frac{y_2-y_1}{x_2-x_1}\\Slope=\frac{2-6}{2-1}\\Slope=\frac{-4}{2}\\Slope=-2

Part a)

Write an equation of the line that passes through the given point and is (a) parallel

When the lines are parallel, they have same slope. So, slope of required line: m = -2

Using slope m =-2 and point(4,3) we can find y-intercept b

y=mx+b\\3=-2(4)+b\\3=-8+b\\b=3+8\\b=11

The equation of line will be:

y=mx+b\\y=-2x+11

Equation of the line that passes through the given point and is (a) parallel is: \mathbf{y=-2x+11}

Part b)

Write an equation of the line that passes through the given point and is (b) perpendicular

When the lines are perpendicular they have opposite slope. So, slope of required line: m = 1/2

Using slope m =1/2 and point(4,3) we can find y-intercept b

y=mx+b\\3=\frac{1}{2}(4)+b\\3=2+b\\b=3-2\\b=1

The equation of line will be:

y=mx+b\\y=\frac{1}{2}x+1

Equation of the line that passes through the given point and is (b) perpendicular is: \mathbf{y=\frac{1}{2}x+1}

6 0
3 years ago
CAN SOMEONE PLEASE HELP ME WITH THIS?
liq [111]

Look it up then u get the answer

8 0
3 years ago
Read 2 more answers
I WILL MARK BRAINLIEST!!!!!!!!!!!!!
lesantik [10]

Answer:

B

Step-by-step explanation:

there are 4 answers for each question, thats 8 all together. Two of the 4 are one vaild answers. Take 2/8 * 2/8 = 4/64 then you reduce that and get 1/16

8 0
3 years ago
How many European countries had colonies in Africa in 1960?
blsea [12.9K]
I believe 9, is it one of your options?
8 0
3 years ago
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