All categories

3 years ago

PLAAA HELP WILL GIVE BRAINLIEST!!!!!!!!! Subtract using the number line. 7−(−1)

Mathematics

2 answers:

MariettaO [177]3 years ago

5 0

The answer you are looking for is 8.

lutik1710 [3]3 years ago

4 0

It is 8 -(- means you add, rather than subtracting

You might be interested in

I NEED HELP PLEASE WITH PART 2, THANKS!

EleoNora [17]

Steps to solve:

-6w - 8 + 15w = 2w - 8 + 7w

~Combine like terms

9w - 8 = 9w - 8

~Add 8 to both sides

9w = 9w

~Divide 9 to both sides

0 = 0

All real numbers are solutions.

Set builder notation: {x | R}

Best of Luck!

8 0

3 years ago

Write an expression for the sequence of operations described below.

xxTIMURxx [149]

$2( \frac{ {5}^{3} }{b})$

5 0

3 years ago

Write the exact value of 0.428x2.75

bonufazy [111]

the exact value of 0.428x2.75 is 1.177, in order to get this you multiply both number with each other.

6 0

3 years ago

The equation of line r is y = -1\2x - 4. If line s runs perpendicular to line r and passes through (4, -3), what would be the eq

Scrat [10]

First off, what's the slope of "r" anyway, $\bf y=\stackrel{slope}{-\cfrac{1}{2}}x-4$ .

low and behold, since "r" is in slope-intercept form, notice, it has a slope of -1/2.

now, any line perpendicular to "r", will have a negative reciprocal slope to it, that is,

$\bf \textit{perpendicular, negative-reciprocal slope for slope}\quad -\cfrac{1}{2}\\\\
negative\implies +\cfrac{1}{{{ 2}}}\qquad reciprocal\implies + \cfrac{{{ 2}}}{1}\implies 2$

so we're really looking for a line whose slope is 2, and runs through 4,-3,

$\bf \begin{array}{ccccccccc}
&&x_1&&y_1\\
% (a,b)
&&(~{{ 4}} &,&{{ -3}}~)
\end{array}
\\\\\\
% slope = m
slope = {{ m}}\implies 2
\\\\\\
% point-slope intercept
\stackrel{\textit{point-slope form}}{y-{{ y_1}}={{ m}}(x-{{ x_1}})}\implies y-(-3)=2(x-4)\implies y+3=2x-8
\\\\\\
y=2x-11$

7 0

4 years ago

Terrence says pi is a rational number since it is the ratio of a circle's circumference to its diameter. Why is

kari74 [83]

Answer:

(A) Pi cannot be written as a ratio of integers even if it represents a different ratio.

Step-by-step explanation:

A rational number is can be expressed as the quotient of two integers. It can either be a number with or without a decimal part when converted to decimals.

C = 2 $\pi$ r and D = 2r

C = $\pi$ D

Thus, $\pi$ = $\frac{C}{D}$

= $\frac{22}{7}$ = 3.142857143...

Terrence was incorrect because Pi is an irrational number which cannot be represented by a simple fraction without approximation.

7 0

3 years ago