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1 year ago

2.At the end of a school

Mathematics

1 answer:

Oksi-84 [34.3K]1 year ago

6 0

Answer:

descrptive statistics

Step-by-step explanation:

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What sum or difference is equivalent to the expression 9x-6/3

iris [78.8K]

D. 9x-2
This is equivalent to the expression.
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2 years ago

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If sin A-cos B then A+B=

Alenkinab [10]

Answer:

sinA=sin(90-B)

sinA=90_B

now,A+B

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2 years ago

A point M on a segment with endpoints X(1, −2) and Y(10, 3) partitions the segment in a 4:1 ratio. Find M. You must show all wor

inna [77]

Answer:

$\displaystyle \: M = \left( 8\frac{1}{5},2\right)$

Step-by-step explanation:

we want to figure out the point "M" which is on a segment with endpoints X(1,-2) and Y(10,3) partitions the segment in a 4:1 ratio.

to find so, we can consider section formula . we know that Section formula is used to find the ratio in which a line segment is divided by a point internally or externally the ratio is written as m:n

however in this case the following formula can be used used:

$\displaystyle \left( \frac{m x_{2} +n x_{1}}{m + n} , \frac{m y_{2} + n y_{1}}{m +n}\right)$

step-1: assign variables

assign variables:

$(x_{1},y_{1}) = (1, - 2)$
$(x_{2},y_{2}) = (10, 3)$
$m : n = 4 :1$

step-2: substitute

$\displaystyle \left( \frac{(4) (10) +(1)(1) }{4 +1} , \frac{(4)(3)+ (1) ( - 2)}{4 +1}\right)$

simplify multiplication:

$\displaystyle \left( \frac{40 + 1 }{4 + 1} , \frac{12+ ( - 2)}{4 + 1}\right)$

simplify addition:

$\displaystyle \left( \frac{41 }{5} , \frac{10}{5}\right)$

simplify division:

$\displaystyle \left( 8\frac{1}{5},2\right)$

hence,

$\displaystyle \: M = \left( 8\frac{1}{5},2\right)$

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2 years ago

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How do i solve -7q+2=11q-8q

marishachu [46]

-7q+2=11q-8q
-7q+2=3q
2=3q+7q
2=10q
10q=2
q=2/10
q=0.2

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2 years ago

Help me please !!! I need this

Airida [17]

Answer:

the third one

Step-by-step explanation:

(4x+3)(4x+3)

=(4x)(4x)+(4x)(3)+(3)(4x)+(3)(3)

=16 $x^{2}$ +12x+12x+9

=16 $x^{2}$ +24x+9

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2 years ago

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