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grandymaker [24]
3 years ago
5

Write a multiplication equation for "Eight $5 bills are worth $40."

Mathematics
1 answer:
lawyer [7]3 years ago
5 0

Answer: use your 5 times tables.

Step-by-step explanation:

5, 10 15, 20 25, 30, 35, 40

then count how many times it gotyou to 40

it took 8 times to get to 40.

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<img src="https://tex.z-dn.net/?f=y%20%3D%20x%20%2B%202%20%20%5C%5C%20y%20%3D%203x%20-%202" id="TexFormula1" title="y = x + 2 \
UNO [17]

Substitute y = x + 2 into y = 3x - 2

x + 2 = 3x - 2

Solve for x in x + 2 = 3x - 2

x = 2

Substitute x = 2 into y = x + 2

y = 4

Therefore,

<u>x = 2</u>

<u>y = 4</u>

6 0
4 years ago
Suppose c and d vary inversely, and d = 2 when c = 17.
sergejj [24]

Answer and Step-by-step explanation:

Greetings!

I'm~here~to~answer~your~question!

\bold{NOTE:}~We~ can ~say~ that ~two ~variables~ are~ inversely ~proportional ~to ~each` other\\ when ~when ~the ~quantity ~of ~one ~decreases, ~the ~quantity ~of~ the~ other\\ increases.~ For~ example, ~when ~the ~speed ~increases, ~the ~time ~to~ complete\\ a ~trip ~decreases.

\underline{\bold{It~is~given~that:}}

d = 2 \\c = 17

\underline{\bold{Inverse~ equation ~is ~like~ this:}}

\boxed{~~c=\frac{k}{d}~ ~} ~~where ~k ~is~ the ~constant~ value.

17=\frac{k}{2}

12 \times 2=k

34=k

\underline{\bold{Now~ for ~part~ b:}}

c=\frac{k}{d}

c \times d=k

d=\frac{k}{c}

d=\frac{34}{68}

d=0.5

\bold{The ~value ~of~ d~ is~ 0.50}

\underline{\bold{To~check:}}

c=\frac{k}{d}

c=\frac{34}{0.5}

c=68

\bold{Thus,~the~answer~is~correct!}

4 0
3 years ago
Carlton spent $21.85 on lunch for himself and a friend. About how much should he leave for a 15% tip?
madreJ [45]

Answer:

about $3.28 or $3.30 (rounded up)

5 0
3 years ago
Read 2 more answers
What is the term for a straight line extending from the center of a circle to the outside surface of a circle?
Luden [163]

Answer:

radius

Step-by-step explanation:

hope this helps

4 0
3 years ago
At a daycare 80% of the babies finished their bottles. If 20 of the babies finish their bottles how many babies are in the dayca
zhuklara [117]

Answer:

24 babies

Step-by-step explanation:

80%=20 babies

this means 100%=24 babies

5 0
3 years ago
Read 2 more answers
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