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BigorU [14]
3 years ago
8

4x + 5y = -30what is 4x + 5y equals -30 ​

Mathematics
1 answer:
ASHA 777 [7]3 years ago
3 0

Answer:

x=−5/4y+−15/2

Step-by-step explanation:

Step 1: Add -5y to both sides.

4x+5y+−5y=−30+−5y

4x=−5y−30

Step 2: Divide both sides by 4.

4x/4=−5y−30/4

x=−5/4y+−15/2

Hope this helps!! If so please mark brainliest and rate/heart to help my account if it did!!

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Answer:

$26.88

Step-by-step explanation:

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8 0
3 years ago
What is the 8th term of the geometric sequence 8,16,32
ratelena [41]

the 8th term of the geometric sequence 8, 16, 32 is 1024

<h2>Explanation</h2>

<u>we know that</u>

geometric sequence 8, 16, 32

<u>the </u><u>question</u><u> </u><u>is</u>

the 8th term

<u>the </u><u>answer </u><u>is</u>

first we have to find the ratio

\sf r=  \frac{ U_2}{U_1}  \\  \sf r=  \frac{ 16}{8} \\  \sf r = 2

than, we have to find the 8th term

\sf U_n = ar^{n-1} \\ \sf U_8 = 8 \times 2^{8-1} \\ \sf U_8 = 8 \times 2^7 \\ \sf U_8 = 8 \times 128 \\ \bold {\sf U_8 = 1024}

<h2>Learn more</h2>

About geometric pattern

brainly.com/question/16762536

<h2>Answer details</h2>

grade: 7th

subject: mathematics

chapter: sequence

keywords: geometric sequence

7 0
3 years ago
50 – 5(4.3 – 1.3) ÷ 0.5
marissa [1.9K]

Answer:

(0.5, 1.3)(0.5, 1.3)

Step-by-step explanation:

Given equations are:

As we can see that the given equations are linear equations which are graphed as straight lines on graph. The solution of two equations is the point of their intersection on the graph.

We can plot the graph of both equations using any online or desktop graphing tool.

We have used "Desmos" online graphing calculator to plot the graph of two lines (Picture Attached)

We can see from the graph that the lines intersect at: (0.517, 1.267)

Rounding off both coordinates of point of intersection to nearest tenth we get

(0.5, 1.3)

Hence,

(0.5, 1.3) is the correct answer

Keywords: Linear equations, variables

4 0
3 years ago
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 = 3^6

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7 0
3 years ago
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Calculate the mass of NaOH in 0.2 moles of NaOH
masya89 [10]

Answer:

0.2M i.e

Step-by-step explanation:

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