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kvasek [131]
3 years ago
5

Please can someone help me I don’t understand

Mathematics
1 answer:
wel3 years ago
8 0

Answer:Count all of the windows that look like rectangles and put your answer below and explain the method you used multiplication, addition.

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1. mutliply 3.and 3/5 enter your answer as an improper fraction in simplified form in the box.
natali 33 [55]

Answer:

1.\frac{9}{5}

2.-11\frac{1}{4}

3.10\frac{1}{8}

4.4\frac{17}{24}

5.-4\frac{7}{12}

Step-by-step explanation:

In order to solve them you just have to multiply them and add them:

3 (\frac{3}{5} )=\frac{15+3}{5}=\frac{18}{5}

-4\frac{1}{2}  (2\frac{1}{2} )=-(\frac{9}{2} )(\frac{5}{2}) =-(\frac{45}{4}) =-11\frac{1}{4}

(-2\frac{1}{4} )(-4\frac{1}{2}) =(-\frac{9}{4}) (-\frac{9}{2} )=-\frac{81}{8} =-10\frac{1}{8}

3\frac{3}{8}+ 4\frac{1}{3}=7\frac{8+9}{24} =7\frac{17}{24}

-2\frac{1}{4} +-2\frac{1}{3}=-4\frac{7}{12}

5 0
3 years ago
1. What is the slope of the line that passes through the points E(3, 0) and F (6, -3)?
Mama L [17]

Answer:

1. m=- -1 2. -1+1

Step-by-step explanation:

Ok for the first one you need to label 3 x1 0 y1 6 x2

and -3 y2

Next you need to do y2-y1 over x2-x1 so fill that in and your equasion is (-3-0)

------------ = -3

( 6-3) ----

3

That reduces to -1 because -3 divided by 3 is -1

As for number 2 we need to find b to do this pick any of the y's from before we can go with 0 so the 0 is y in the equasion and we already learned slope is -1 so your equasion should be 0=--1+b ok to solve this you need to add -1 to both sides since its a negitive so you add 1 to 0 which is 1 and when you add 1 to -1 it cancells it out so you have 1=b so b is 1 for the equsion you just fill it in so it is y=- -1+1

I hope I helped

5 0
3 years ago
A typical red blood cell in human blood has a diameter of approximately 0.0007 cm. Enter this diameter in scientific notation.
jonny [76]

Answer:

7-E -4

Step-by-step explanation:

My school supplyes us with a calculator and lucky for you it does scientific notation

8 0
3 years ago
A cube has side lengths of 3.5 mm. What is the surface area of the cube? Enter your answer in the box.
Angelina_Jolie [31]
You find the area of one side of the cube which is 12.25 mm and multiply it by the number of side which is 6. and the answer is 73.5 mm

3 0
3 years ago
Add −2/3+2 3/8 . Write your answer as a mixed number in simplest form.
d1i1m1o1n [39]

Answer:

41/24 or 1 17/24

Step-by-step explanation:

2 3/8=19/8

-2/3+19/8

-16/24+57/24

41/24

5 0
2 years ago
Read 2 more answers
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