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VLD [36.1K]
3 years ago
10

Are these arithmetic sequences:

Mathematics
1 answer:
VladimirAG [237]3 years ago
8 0

Answer:

1. No

2. Yes

3. Yes

4. Yes

Step-by-step explanation:

In 1. the difference between each term is not constant.(it goes up by, 2, 4, 6)

2. The terms increase by the same amount(it all goes up by 3)

3. The terms decrease by the same amount(it all goes down by 5)

4. The terms increase by the same amount(it all goes up by 6)

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Mr. Ramirez orders drumsticks and sheet music for a group of students. One pair of drumsticks costs $1. 50, and the sheet music
diamong [38]

Answer:

Step-by-step explanation:

It expresses how much money he had to pay in total for the sheet music and drumsticks altogether.

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Please mark brainliest!

8 0
2 years ago
Evaluate the expression 3.14(a2 + ab) when a = 3 and b = 4. (Input decimals only, such as 12.71, as the answer.)
soldier1979 [14.2K]
A= 3
b= 4

=3.14(a^2 + ab)
substitute the given a & b values in expression

=3.14((3)^2 + (3*4))
multiply inside parentheses

=3.14(9 + 12)
add inside parentheses

=3.14(21)
multiply

=65.94


ANSWER: 65.94

Hope this helps! :)
8 0
3 years ago
<img src="https://tex.z-dn.net/?f=%5Csf%207-5x%3D-43" id="TexFormula1" title="\sf 7-5x=-43" alt="\sf 7-5x=-43" align="absmiddle"
lukranit [14]

Answer:

\sf\longmapsto \: x = 10

Step-by-step explanation:

Subtract 7 from both sides:

7−5x−7=−43−7

Simplify:

−5x=−50

Divide both sides by −5:

\sf\longmapsto \:  \frac{ - 5x}{ - 5}  =  \frac{ - 50}{5}

\sf\longmapsto \: x = 10

\boxed{\sf Answered \: By\: Subhash}

\boxed{\sf Answered \: By\: Subhash}

\boxed{\sf Good\: luck \: for \: your \:assignment}

6 0
2 years ago
39. Write a ratio and a percent for the shaded area.
Xelga [282]

Hey there! :)

Answer:

First choice. 36/100 or 36%.

Step-by-step explanation:

Total # of squares:

10 × 10 = 100 squares.

# of squares shaded:

6 × 6 = 36 squares.

shaded/total to find the percent shaded:

Fraction: 36/100

Percentage: 36/100 × 100 = 36%.

5 0
3 years ago
Read 2 more answers
A school needs 1,800 notebooks for next year. If the notebooks come in packages of 90, how many packages should the school buy?
trasher [3.6K]

Answer:

20 packages

Step-by-step explanation:

the school needs 1800 notebooks, since the notebooks come in packages of 90 each. there will be a total of 20 packages.

formula

1800/90

= 20

5 0
3 years ago
Read 2 more answers
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