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Novosadov [1.4K]
3 years ago
12

Connie owns x books. Her friend Alma owns

Mathematics
1 answer:
denis23 [38]3 years ago
5 0

Answer:

39 books

Step-by-step explanation:

Solve the equation in order of PEMDAS (parentheses, exponents, multiplication, division, addition, subtraction)

2(16) + 7

Multiply 2(16) first.

2(16) = 32

Then add 7.

32 + 7 = 39

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PLEASE HELP ME ILL GIVE 5 STARS ASAP PLEASE
kicyunya [14]

16 wide

Step-by-step explanation:

because i do 8 x 2

8 0
2 years ago
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Combining like terms and simplifying an equation, what is 8a-6+a-1
Sedbober [7]

Answer:

9a-7

Step-by-step explanation:

8a-6+a-1

Collect like terms

8a+a-6-1

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8 0
1 year ago
A scale model of a building is 3 inches tall. If the building is 90 feet tall, find the scale of the model.
olganol [36]

The scale model of a building 3 inches tall if the building is 90 feet tall is 2:5

<h3>Scaling of measurement</h3>

Scaling is the way of enlarging or reducing the image of an object.

Given scale model of a building is 3 inches, if the building is 90feet tall, to write the scale;

Convert both measures to same units

Since 1 feet. = 12 in

90 feet = 90/12 in = 7.5 in

Take the ratio

3 : 7.5 = 30: 75

Reduce to lowest term

30: 75 = 2 : 5

Hence the scale model of a building 3 inches tall if the building is 90 feet tall is 2:5

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7 0
2 years ago
Determine the coordinates of the point p on the line y=-x+6 such that p is equidistant from the points a(10,-10) and o(0,0) (tha
Katena32 [7]

Solution,

Let P =  ( x, -x + 6) = (x, 6 - x)

We want to solve this

( Distance from P to (0,0) )^2  = (Distance from P to (10, -10) )^2

x^2 + (6 - x)^2  =  [ ( x - 10)^2 + ( 6 - x + 10)^2

x^2 + x^2 - 12x + 36  =   x^2 - 20x + 100  + x^2 - 32x + 256     simplify

-12x + 36  =  -52x + 356

40x =  320

x = 8

And y = -(8) + 6  =  -2

So...P  =  ( 8, -2)

In mathematics, an equation is an equation that expresses two equations by joining them with an equal sign =. Equations in other languages ​​and the word their relatives can have slightly different meanings; for example, in French, an equation is defined as containing one or more variables, but in English, it is an equal sign.

A well-formed expression consisting of two combined equations is an equation, and a variable makes the equation true. The variable for which the equation must be solved is also called the unknown, and the value of the unknown that satisfies the equation is called the solution of the equation. There are two types of equations: identities and constraint equations. The ID applies to all values ​​of the variable. Constraint equations apply only to specific values ​​of variables

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6 0
2 years ago
PLS HELP! asap!! use the graph to determine which of the following points is a solution to the equation?
shusha [124]
D (3,0) that’s the answer
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2 years ago
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