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3 years ago

Helpppp pleaseeeee math algebra

Mathematics

2 answers:

beks73 [17]3 years ago

5 0

Answer:

B is the correct answer

Step-by-step explanation:

Coefficient is - 5 and constant is 2

Setler [38]3 years ago

3 0

Answer:

$- 5x + 2 \\ coefficient = - 5 \\ constant = 2 \\ thank \: you$

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A sum of money amounts to Rs 1380 in3 years and to Rs 1500 in 5 years.Find the rate of interest.

Stella [2.4K]

Answer:98

Step-by-step explanation:

6 0

2 years ago

Find the cost of painting a cubical block of side length 3.2 cm, if painting costs $5 per cm2.

SashulF [63]

<h3><u>Answer</u>:- </h3>

$\longrightarrow \sf \$ \: 307.2$

<h3><u>Solution:-</u></h3>

Since painting is done on outer surface of cubical block we will have to find its surface area which is given by-

$\green{ \underline { \boxed{ \sf{Surface \: area \:of \:Cube = 6a^2}}}}$

<u>where a is side of the cube </u>

$\begin{gathered}\\\quad \sf Surface \: area \:of \:Cube = 6\times(3.2)^2 \\\end{gathered}$

$\begin{gathered}\\\implies \quad \sf 6\times 3.2\times3.2 \\\end{gathered}$

$\begin{gathered}\\\implies \quad \sf 61.44 cm^2 \\\end{gathered}$

Now,

$\maltese \sf Cost \:of \:painting \: 1 \: cm² = \$ 5$

$\sf Cost \: of \: painting \: 61.44 \:cm²=61.44×5$

$\sf\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad\quad=\$ 307.2$

$\leadsto$ Thus it would cost $ 307.2 to paint the entire cubical block.

3 0

2 years ago

Angel saved $100 a week for a year. She spent 40%

Nastasia [14]

Answer:

40 because 40 percent of 100 is 40. You can just multiply the number by the percentage $100x40%

6 0

3 years ago

30% of __=3<br><br> Please I need this Asap

Natalija [7]

Answer:

Step-by-step explanation:

We have 30% of x= 3

you want to multiply both sides by 30

which will get you to 3

4 0

3 years ago

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The Hawks have won 12 games, which is 60% of the games they have played this season.How many games have the Hawks played this se

loris [4]

Answer:

20 games

Step-by-step explanation:

Let

x ----> total games played this season

we know that

12 games represent 60% of the games they have played this season

using proportion

Find out how many games represent a percentage of 100%

$\frac{12}{60\%}=\frac{x}{100\%}\\\\x=12(100)/60\\\\x=20\ games$

4 0

3 years ago

Read 2 more answers