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hoa [83]
3 years ago
14

amber owns a skateboard shop. amber wants to buy one thousand eight hundred forty six skateboard wheels. skateboard wheels sell

in sets of two. a set of two skateboard wheels cost five dollars and seventy-five cents. how much money does amber spend to buy one thousand eight hundred forty-six wheels/ amber puts four wheels on every skateboard. on how many skateboards can amber put four wheels. show all your mathematical thinking
Mathematics
1 answer:
Sonbull [250]3 years ago
8 0
Amber spends $5,307.25 and she can make 461 skateboards.
Divide 1846 by 2 and you get 923, you then multiply that by $5.75 and get $5,307.25. 
Then, you'll divide 1,845 by 4 and get 461.5. (she can only make 461 full skateboards.)
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The line graph shows the number of cars owned by some families.
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Answer:

c

Step-by-step explanation:

because the numbers on the right sise are all odd numbers

5 0
3 years ago
Find the perimeter of the polygon defined by the coordinates (5, 8), (12, 0), (-5, 0), and (-12, 8). (Round to nearest tenth)
Wewaii [24]

 

\displaystyle\\\text{We have the points:}\\E(5,~8)\\F(12,~0)\\G(-5,~0)\\H(-12,~8)\\\\EF=\sqrt{(5-12)^2+(8-0)^2}=\sqrt{(-7)^2+8^2}=\\=\sqrt{49+64}=\sqrt{113}\approx\boxed{\bf10.63}\\\\FG=12-(-5)=12+5=\boxed{\bf17}\\\\GH=\sqrt{(-5-(-12))^2+(0-8)^2}=\sqrt{7^2+(-8)^2}=\\=\sqrt{49+64}=\sqrt{113}\approx\boxed{\bf10.63}\\\\HE=|-12-5|=|-17|=\boxed{\bf17}\\\\P=EF+FG+GH+HE=10.63+17+10.63+17=55.26\approx\boxed{\bf55.3}\\\\\text{Correct answer: }~B)

4 0
3 years ago
Use the arc length formula to find the length of the curve y = 4x - 1, -3 lessthanorequalto x lessthanorequalto 2. Check your an
aksik [14]

Answer:

5\sqrt{17} is the answer.

Step-by-step explanation:

y= 4x-1

taking derivative with respect to x ,we get \frac{dy}{dx} = 4\\\\formula \int\limits^a_b {\sqrt{1+(\frac{dy}{dx})^2 } } \, dx \\here a = 2 and b =-3 \\ \int\limits^2_{-3}_ {\sqrt{1+({4})^2 } } \, dx \\ = \sqrt{17} (2-(-3))=5\sqrt{17}

Using distance formula

we have points

at x =-3 the value of y = 4(-3)-1= -12-1 = -13

at x =2 the value of y = 4(2)-1 =7

points are ( -3,-13) and (2,7)

distance formula =\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}

                             =\sqrt{(2-(-3)^2+(7-(-13)^2}

                             =\sqrt{(5)^2+(20)^2}

                             =\sqrt{425}

                             =5\sqrt{17}

4 0
3 years ago
If anyone can help me figure out the answer for this problem and show proper work I’ll give brainliest to them. Anyone who just
PtichkaEL [24]
315/400
I hope this helped
6 0
3 years ago
A bag has 8 blue, 7 red, and 10 green marbles. What is the probability of drawing a blue or red marble?
Art [367]
B 3/5
explanation:
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you add 8 plus 7 to get 15 for the numerator
if you divide 15/20 you get 0.6 which is the same as 3/5 C
5 0
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