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sveticcg [70]
2 years ago
8

Evaluate the expression below. 15 ÷ (5 - 2) + 4 =

Mathematics
1 answer:
lana [24]2 years ago
3 0

Answer:

Step-by-step explanation:

This is an order of operations question. First in PEMDOS you want to do your parenthesis, turn (5-2) into 3,

15 ÷ 3 + 4 

Then do your divison, turning 15 ÷ 3 into 5

5 + 4 

Then finish with 5 + 4

The answer is 9



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noreen made 8 2/3 cups of snack mix for a party. her guest ate 3/4 of the mix. how much snack mix did her guest eat?
miskamm [114]
Noreen made 8 and 2/3 cups which after solving becomes 8.666
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3 0
3 years ago
Read 2 more answers
Determine and prove what shape is formed for the given coordinates for ABCD, and then find the
ella [17]

Answer:

Square

Step-by-step explanation:

Plot points A (10,-4), B (6,-7), C (3,-3), D (7,0) on the coordinate plane.

Find slopes of the sides:

AB:\ \dfrac{-7-(-4)}{6-10}=\dfrac{3}{4}\\ \\BC:\ \dfrac{-3-(-7)}{3-6}=-\dfrac{4}{3}\\ \\CD:\ \dfrac{0-(-3)}{7-3}=\dfrac{3}{4}\\ \\DA:\ \dfrac{-4-0}{10-7}=-\dfrac{4}{3}

The slopes of opposite sides are the same, so opposite sides are parallel. The slopes of adjacent sides have product of -1, then adjacent sides are perpendicular.

Find the lengths of all sides:

AB=\sqrt{(10-6)^2+(-4-(-7))^2}=\sqrt{4^2+3^2}=\sqrt{16+9}=\sqrt{25}=5\ units\\ \\BC=\sqrt{(6-3)^2+(-7-(-3))^2}=\sqrt{3^2+4^2}=\sqrt{16+9}=\sqrt{25}=5\ units\\ \\CD=\sqrt{(3-7)^2+(-3-0)^2}=\sqrt{4^2+3^2}=\sqrt{16+9}=\sqrt{25}=5\ units\\ \\AD=\sqrt{(10-7)^2+(-4-0)^2}=\sqrt{3^2+4^2}=\sqrt{16+9}=\sqrt{25}=5\ units\\ \\

All four sides are of the same length.

Quadrilateral ABCD is a square (all sides of equal length and perpendicular)

4 0
3 years ago
Solve the equation ALGEBRA
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Kay [80]

Answer:

y=x+2

Step-by-step explanation:

To find the equation of a line or linear function, you need at least two points that lie on the line. This is to find the slope or gradient of the line if it's not given. Let's use the two points (0,2) and (-2,0). The first coordinate in each point is X and the second is the y coordinate.

GRADIENT/SLOPE=[y1-y2]/[x1-x2]

=[2-0]/[0-2]=1

The equation of a linear function is given. by Y-y1=m(X-x1)

Y-2=1(X-0)

Y=X+2

VERIFICATION OF SOLUTION

You may want to verify whether you are right by substituting values of x to see if you can obtain corresponding y values.

Example: if x=0, y=0+2=2.This confirms first point

6 0
3 years ago
If each of the 48 windows is composed of 6 windowpanes, how many windowpanes are there altogether?
Tanzania [10]
You would multiply 48 by 6, giving you 288 windowpanes
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