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Debora [2.8K]
3 years ago
6

Spiral Review. Find the value of the expression below

Mathematics
1 answer:
MakcuM [25]3 years ago
6 0

Answer:

399

Step-by-step explanation:

9+4^3*(20-8)/2+6

9+(4)(4)(4)(12)/2+6

9+64(12)/2+6

9+768/2+6

15+768/2

15+384

399

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In ΔABC, centroid D is on median AM. AD = x + 3 and DM = 2x - 1. Find AM.
nata0808 [166]

check the picture below

3 0
4 years ago
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Help me with this please!!!
Lerok [7]

Answer: y = 80*

all circles have 360* so we can subtract what we have to get what we want

360 - 110 - 90 - 80 = 80*

5 0
3 years ago
If Jeremy drinks 1 1/2 quarts of coffee every 3 days, how many liters of coffee would Jeremy drink in 3 weeks? (1 quart = 0.946
Nostrana [21]

Answer:

9.93 liter approximately 10 liter

Step-by-step explanation:

3 days = 3/2 quart

3 week = 3/2/3 × 21 quarts

= 1/2×21

=21/2 quarts

now

1 quart = 0.946 liter

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21/2 quart = 9.93 liter

8 0
3 years ago
Work out the size of angle x please!
julia-pushkina [17]

Answer:

x=13

Step-by-step explanation:

one angle of triangle=85

parallel lines and vertical angles

the second angle is 82:

sum of angles of the triangle=180

x+85+82=180

x+167=180

x=180-167

x=13

4 0
3 years ago
4(4m-3)-m(m-5)=-52 need all the steps
nadezda [96]

\huge\mathcal {♨Answer♥}

\large\texttt{Simplifying: }

4(4m -3) + -1m(m + -5) = -52

\large\texttt{Reorder the terms: }

4(-3 + 4m) + -1(m + -5) = -52

(-3 * 4 + 4m * 4) + -1(m + -5) = -52

(-12 + 16m) + -1(m + -5) = -52

\large\texttt{Reorder the terms: }

-12 + 16m + -1(-5 + m) = -52

-12 + 16m + (-5 * -1 + m * -1) = -52

-12 + 16m + (5 + -1m) = -52

\large\texttt{Reorder the terms: }

-12 + 5 + 16m + -1m = -52

\large\texttt{Combine like terms: }

-12 + 5 = -7

-7 + 16m + -1m = -52

\large\texttt{Combine like terms: }

16m + -1m = 15m

-7 + 15m = -52

\large\texttt{Solving: }

-7 + 15m = -52

-7 + 7 + 15m = -52 + 7

\large\texttt{Combine like terms: }

-7 + 7 = 0

0 + 15m = -52 + 7

15m = -52 + 7

\large\texttt{Combine like terms: }

-52 + 7 = -45

15m = -45

\large\texttt{Divide each side by '15'. }

15m ÷ 15 = -45 ÷ 15

m = -3

\large\texttt{Simplifying: }

m = -3

<u>☆</u><u>.</u><u>.</u><u>.</u><u>hope this helps</u><u>.</u><u>.</u><u>.</u><u>☆</u>

_♡_<em>mashi</em>_♡_

8 0
2 years ago
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