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3 years ago

How would I do 7-3-10+9-8? And please explain the steps to solving

Mathematics

1 answer:

zaharov [31]3 years ago

7 0

Answer:

-5

Step-by-step explanation:

do it chronologically so

7-3=4

4-10= -6

-6+9= 3

3-8= -5

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The length of a rectangle is 2 in. more than five times its width. if the perimeter of the rectangle is 34 in., find the dimensi

harina [27]

2+5x=34
-2 -2
5x=32
:5 :5
The Answer is 6.4

5 0

4 years ago

Find the area of the geometric figure.<br> 3 yd<br> 3 yd<br> Traperoid<br> 7 yd

Reika [66]

Step-by-step explanation:

The question isn't clear, so I'll just give you a formula to find the area of trapezoid,

(a+b)*h/2, where a = base side, b = top side, h = height.

So, let's say two sides are 3 yd and 7 yd, and height is 3 yd, so the area becomes,

(3+7)*3/2

= 10*3/2

= 30/2

= 15 yd²

Answered by GAUTHMATH

8 0

3 years ago

Use set builder notation to represent the following set. {... -3, -2, -1, 0} {x | x Z, x ≤ 0} {x | x N, x ≤ 0} {x | x R, x ≤ 0}

IceJOKER [234]

Answer:

$\boxed{\boxed{\left\{x\ |\ x\ \epsilon\ Z,\ x \le 0}\right\}}}$

Step-by-step explanation:

Set builder notation-

It is a notation for representing a set by enumerating its elements and stating the properties that its members must satisfy.

The given set is,

$\left \{.... -3, -2, -1, 0 \right \}$

This set is comprised of all negative integers. So symbol Z should be used in this case.

The set builder notation for this set is,

$\left\{x\ |\ x\ \epsilon\ Z,\ x \le 0}\right\}$

7 0

4 years ago

What is the solution to the equation 2(m - 8) = 4(m + 6) ? m =

ExtremeBDS [4]

The first thing that we want to do is simplify both side of this equation.

2(m-8).
The first thing we have to do, is multiple 2 by m and -8, also called distributing. So, when we do that, we get
2(m-8)=2*m + 2*-8 = 2m-16

4(m+6)
Now, we do the same thing we did for the first parenthesis, and that's multiple 4 by m and 6.
4(m+6)=4*m + 4*6 = 4m+24

Now, we need to get m by itself on one side. So, lets bring the equation from the right to the left

2m-16 = 4m + 24 (bring 4m to the other side by subtracting)
2m-16-4m = 24 (bring -16 to the right by adding)
-2m=24+16
-2m=40 (divide both sides by -2 to get your value for m)
m=40/-2 = -20

So, our answer is m = -20

3 0

3 years ago

Read 2 more answers

How many possible lunches can be made consisting of one entree One drink and one snack into your answer in the box

Klio2033 [76]

Answer:

Step-by-step explanation:

Lunch package :

1 entree ;

1 drink

1 snack

From the picture attached :

Number of entrees = 3

Number of drinks = 3

Number of snack = 3

Number of possible lunches containing 1 of each :

Number of entrees * number of snacks * number of drinks

3 * 3 * 3 =.27

27 different lunches

6 0

3 years ago