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Hunter-Best [27]
3 years ago
5

Please help. I will give Brainliest Simplify: 3 + 7 * 4

Mathematics
2 answers:
Blababa [14]3 years ago
7 0
If u know how to do pemdas u will get 21 as a a see
WARRIOR [948]3 years ago
5 0

Answer:

31

Step-by-step explanation:

7 times 4 = 28

add 3 equals 31

           Follow PEMDAS

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20<br> 1. Find the sum of the series &gt; 4n - 1. Show your work.<br> n=1<br> Answer:
bixtya [17]

Answer:

I guess answer is 3 as n value is 1 so we can substitute 1 in n value so that we can get answer as 3

7 0
3 years ago
Solve the variable x. 12yx = 5z
romanna [79]

Answer:

\boxed{\bold{x \ = \ \frac{5z}{12y} }}

Explanation:

  • Solve For X: 12yx = 5z

[ Divide Both Sides By 12y ]

12xy / 12y = 5z / 12y

  • x = 5z / 12y

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5 0
3 years ago
The product of a number and -8 gives eight times the sum of that number and 36. Find that number
Viefleur [7K]

Answer:

-18

Step-by-step explanation:

Let x be our number. First we have to write our equation.

The product of a number and -8 is represented as -8x (-8 multiplied by x). Remember that 'product' signifies multiplication.

The result is eight times the sum of x and 36. This is represented as 8(x + 36). We add x and 36 first because 8 has been multiplied by the sum of those two numbers.

So our equation is:

-8x = 8(x + 36)

We can now solve for x. First, expand the bracket.

-8x = 8x + 288

Next, subtract 8x from both sides. This will give us only one term containing x, which will make it easier to solve.

-8x - 8x = 8x + 288 - 8x

-16x = 288

Divide both sides by -16

x = -18

3 0
3 years ago
What is the sum of the positive odd divisors of 60?
GREYUIT [131]

Answer:168 also the factors are 1,2,3,4,5,6,10,12,15,20,30

Step-by-step explanation:simple logic answer☀️

7 0
3 years ago
Read 2 more answers
choose the equation that represents a line that represents a line that passes through points -3, 2 and 2,1 A. 5x+y=-13 B. 5x-y=1
Mrrafil [7]

bearing in mind that standard form for a linear equation means

• all coefficients must be integers, no fractions

• only the constant on the right-hand-side

• all variables on the left-hand-side, sorted

• "x" must not have a negative coefficient

\bf (\stackrel{x_1}{-3}~,~\stackrel{y_1}{2})\qquad (\stackrel{x_2}{2}~,~\stackrel{y_2}{1}) \\\\\\ slope = m\implies \cfrac{\stackrel{rise}{ y_2- y_1}}{\stackrel{run}{ x_2- x_1}}\implies \cfrac{1-2}{2-(-3)}\implies \cfrac{-1}{2+3}\implies -\cfrac{1}{5} \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-2=-\cfrac{1}{5}[x-(-3)]\implies y-2=-\cfrac{1}{5}(x+3)

\bf y-2=-\cfrac{1}{5}x-\cfrac{3}{5}\implies \stackrel{\textit{multiplying both sides by }\stackrel{LCD}{5}}{5\left(y-2 \right)=5\left( -\cfrac{1}{5}x-\cfrac{3}{5} \right)}\implies 5y-10=-x-3 \\\\\\ 5y=-x+7\implies x+5y=7

6 0
4 years ago
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