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4 years ago

Which of the following statements is false?

Mathematics

2 answers:

Leona [35]4 years ago

7 0

Answer:

All rectangles are squares is false

Step-by-step explanation:

Plss give brainliest?

Oduvanchick [21]4 years ago

3 0

Answer:

All rectangles are squares

Step-by-step explanation:

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Use trigonometric identities to simplify the expression. 1/cot^2(B) +1.....the B represents the symbol of beta.

Reil [10]

$1 \div ( \cot ^{2} ( \beta ) + 1) \\ = 1 \div \ \csc ^{2} ( \beta ) \\ = \sin^{2} ( \beta )$

cosec^1/2 (B)- cot^1/2(B)=1

so cosec^1/2(B)= 1+ cot^1/2 (B)

4 0

4 years ago

Describe what you know about the graph of a line represented by the equation y - 3 = -2/3(x +4)

mojhsa [17]

Answer:

see the explanation

Step-by-step explanation:

we have

$y-3=-\frac{2}{3}(x+4)$

This is the equation of a line in point slope form

The slope is negative and equal to $m=-\frac{2}{3}$

The line passes through the point (-4,3)

The y-intercept (value of y when the value of x is equal to zero) is

For x=0

$y-3=-\frac{2}{3}(0+4)$

$y-3=-\frac{8}{3}$

$y=-\frac{8}{3}+3$

$y=\frac{1}{3}$

The y-intercept is $(0,\frac{1}{3})$

The x-intercept (value of x when the value of y is equal to zero) is

For y=0

$0-3=-\frac{2}{3}(x+4)$

$\frac{9}{2}=(x+4)$

$x=\frac{9}{2}-4$

$x=\frac{1}{2}$

The x-intercept is $(0.5,0)$

see the attached figure to better understand the problem

8 0

4 years ago

8=8v-4(v+8)<br> Solve this equation

AVprozaik [17]

Answer:

v = 10

Step-by-step explanation:

8 = 8v - 4(v+8)

Solve parenthesis

8 = 8v - 4v - 32

Subtract 4v from 8v

8 = 4v - 32

Add 32 on both sides

40 = 4v

Divide by 4 on both sides

10 = v

4 0

3 years ago

Please help me can y’all tell me how to solve it out

denpristay [2]

Answer:

40in

Step-by-step:

to get from 12 to 30 you multiply by 2.5

this is the scale factor

then you do 16 x 2.5 which is 40

pq (p to q) is 40in

8 0

3 years ago

Ashley wants to make a purchase using the money in her checking account. What method of payment

grandymaker [24]

Answer: B. Debit Cards

Step-by-step explanation:

Debit cards are atached diretly to a bank account.

Prepaid cards, you deposit money into and ten use what you put in already

Direct Deposit is an automatic deposit into your bank account

Credit card is nt related to your bank account. You are billed and you pay the credit card company what you charged for a billing cycle.

5 0

4 years ago