3 years ago

ANSWER All OF THESE QUESTION FOR BRAIN WHO WILL ANSWER FIRST? LETS SEE!!!!!!!!!!

Mathematics

1 answer:

zysi [14]3 years ago

7 0

B.
D.
B.
D.
B.
I've literally been working on these in school lolz

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Draw a number line fom -5 to +5 and mark all positive numbers

Gemiola [76]

Answer:

Step-by-step explanation:

i cant draw a number line but we know that integers above 1 are positive. So 1,2,3,4, and 5 are positive and marked

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What is the equation of the line perpendicular to y=2x+3.14 going through the points (2,4)?

inessss [21]

Answer:

$x+2y-10=0$

Step-by-step explanation:

Consider an equation: $y=mx+c$

Here, m is the slope of the line and c is the y-intercept.

Given equation is $y=2x+3.14$

Here, slope is $m=2$

As product of slopes of two perpendicular lines is equal to $-1$ , slope of the required line is $m_1=\frac{-1}{m}=\frac{-1}{2}$ .

Let $(x_1,y_1)=(2,4)$

Equation of the required line is $y-y_1=m_1(x-x_1)$

$y-4=\frac{-1}{2}(x-2)\\2(y-4)=-1(x-2)\\2y-8=-x+2\\x+2y-8-2=0\\x+2y-10=0$

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3 years ago

Homework is 25% of my grade, quizzes are 25% of my grade, and tests are 50% of my grade. I get a 100% on all 4 of my homework as

Arisa [49]

Answer:

25+25+50=100

no quiz

0% on test

for quiz,25% is lost

for test,50% is lost

50+25=75

100-75=25

answer is 25%

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Find the greatest common factor of the following numbers.

densk [106]

2 times 3 times 4 times 4 times 5 equals 480

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Evaluate and simplify sin (-15º).

olga55 [171]

Note:

sin(-θ) = -sinθ

sin(-15°) = -sin15° Use a calculator

sin(-15°) = -sin15° = -0.2588

sin(-15°) = -0.2588

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