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3 years ago

Help me out asap and i will give brainliest

Mathematics

2 answers:

pav-90 [236]3 years ago

7 0

I think it double maybe it might help

QveST [7]3 years ago

5 0

2 or double
i hope this helped!!

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What is 8(2x+5)=16x+40?

polet [3.4K]

Answer:

x = infinite amount of solutions

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Equality Properties

Step-by-step explanation:

Step 1: Define Equation

8(2x + 5) = 16x + 40

Step 2: Solve for x

Distribute 8: 16x + 40 = 16x + 40
Subtract 40 on both sides: 16x = 16x
Divide 16 on both sides: x = x

Here we see that x does indeed equal x.

∴ x has an infinite amount of solutions.

3 0

3 years ago

2. The robot was initially placed at position (6,9), and at = 2 seconds, its position is (10,15).

qaws [65]

$\bf ~~~~~~~~~~~~\textit{distance between 2 points}
\\\\
\begin{array}{ccccccccc}
&&x_1&&y_1&&x_2&&y_2\\
% (a,b)
&&(~ 6 &,& 9~) 
% (c,d)
&&(~ 10 &,& 15~)
\end{array}~~~ 
% distance value
d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2}
\\\\\\
d=\sqrt{(10-6)^2+(15-9)^2}\implies d=\sqrt{4^2+6^2}\implies d=\sqrt{52}
\\\\\\
d\approx 7.2$

what's its speed? well, it traveled √(52) in 2 seconds, so is simply √(52)/2, which is about 3.6 units per second.

4 0

3 years ago

Find the coordinates for the midpoint of the segment with endpoints given. (5,6) and (8,2)

likoan [24]

$\bf ~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ (\stackrel{x_1}{5}~,~\stackrel{y_1}{6})\qquad (\stackrel{x_2}{8}~,~\stackrel{y_2}{2}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{8+5}{2}~~,~~\cfrac{2+6}{2} \right)\implies \left( \cfrac{13}{2}~,~\cfrac{8}{2} \right)\implies \left(6\frac{1}{2}~,~4 \right)$

6 0

3 years ago

Rate of change y=5x+10

frozen [14]

Answer:

Step-by-step explanation:

The equation $y=5x+10$ is given in slope-intercept form. Slope-intercept form is a way of writing the equation of a line in the format $y=mx+b$ , such that the coefficient of the parameter (x) is the slope, and constant (b) is the y-intercept. What that essentially means is,

$y = mx + b\\\\m=slope\\b = y-intercept.$

The slope of a line is its rate of change, and the y-intercept is where the graph of the line intersects the y-axis. One can apply this knowledge here by saying that, the equation $y=5x+10$ is given in the slope-intercept form, and the coefficient ( $m$ ) equals ( $5$ ), therefore the slope is ( $5$ ).

5 0

3 years ago

Elena harvested 75 kg of apples last autumn. This autumn, her harvest increased by 24%. How many kilograms of apples did she har

sergejj [24]

She harvested 93 kg of apples.

First you need to set it up like this:
X/75=24/100

Then you cross multiply and get:
1800=100x

The you isolate the variable (divide both sides) and get 18

75+18=93

8 0

3 years ago