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rjkz [21]
4 years ago
8

What is the first term in the arithmetic sequence ____ , 9, ___ , 33, 45?

Mathematics
1 answer:
max2010maxim [7]4 years ago
8 0

Answer:

I'm pretty sure the answer would be -3. Did you make a mistake with one of the multiple choice options?

Hope this helps.

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4.(-x 4 + 13x 5 + 6x 3 ) + (6x 3 + 5x 5 + 7x4)
grigory [225]

Answer:

140

Step-by-step explanation:

=(-4+55+18)+(18+25+28)

=69+71

=140

3 0
4 years ago
A gallon of milk was poured equally into 9 glasses. How many cups of milk are there in each glass?
kifflom [539]
Each glass will get 1 7/9 of a cup because a Fallon is 16 cups and 16÷9=1.77777777778, which in fraction from is 1 7/9. I can justify my answer because 1 7/9×9=16. Good Luck!
7 0
3 years ago
Read 2 more answers
Y<br> у = 2х - 10<br> 3х - 7y = 37
kolezko [41]

Answer:

(3,-4)

Step-by-step explanation:

3x-7(2x-10)=37

3x-14x+70=37

-11x+70=37

     -70  -70

-11x= -33

divide -11 both sides

x= 3

y=2(3)-10

y=6-10

y= -4

7 0
3 years ago
A scientist used 2 gallons of liquid for ever 7 hours he worked. He uses ------of a gallon each hour he works
BigorU [14]

Answer:

2/7

Step-by-step explanation:

2 ÷ 7 = 2/7 of a gallon each hour he works

4 0
3 years ago
The perimeters of two similar polygons are 20 and 28. One side of the smaller polygon is 4. Find the corresponding side of the l
atroni [7]
If the perimeter are on a 20/28 ratio from small/large, then the sides are also on the same ratio, thus 

\bf \qquad \qquad \textit{ratio relations}&#10;\\\\&#10;\begin{array}{ccccllll}&#10;&&#10;\begin{array}{llll}&#10;\textit{Side and}\\&#10;Perimeter&#10;\end{array}&Area&Volume\\&#10;&-----&-----&-----\\&#10;\cfrac{\textit{similar shape}}{\textit{similar shape}}&\cfrac{s}{s}&\cfrac{s^2}{s^2}&\cfrac{s^3}{s^3}&#10;\end{array} \\\\&#10;-----------------------------\\\\

\bf \cfrac{\textit{similar shape}}{\textit{similar shape}}\qquad \cfrac{s}{s}=\cfrac{\sqrt{s^2}}{\sqrt{s^2}}=\cfrac{\sqrt[3]{s^3}}{\sqrt[3]{s^3}}\\\\&#10;-----------------------------\\\\&#10;\cfrac{\textit{small polygon}}{\textit{large polygon}}\qquad \cfrac{20}{28}=\cfrac{4}{x}

solve for "x"
3 0
4 years ago
Read 2 more answers
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