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3 years ago

Negative numbers have positive square roots. O A. True B. False

Mathematics

2 answers:

melamori03 [73]3 years ago

8 0

Answer:

false

Step-by-step explanation:

negative numbers can't have square roots

musickatia [10]3 years ago

7 0

Answer:

false

Step-by-step explanation:

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Find the slope of the line passing through the points and ( -6, -5 ) and (4, 4)

Andrew [12]

Answer:

Slope: 9/10

Step-by-step explanation:

We need to find the slope of the line that passes through the coordinates given.

To find the slope, we would use the slope formula: m = y2-y1/x2-x1

Plug in your coordinates and solve:

m = 4-(-5)/4-(-6)

m = 4+5/4+6

m = 9/10

Since we can't simplify further, the slope of the line would be 9/10.

8 0

3 years ago

Suppose that G(x)=F(x-5). Which statement best compares the graph of G(x) with the graph of F(x)

Cloud [144]

In this question, it is given that

$g(x) =f(x-5)$

Because of -5 inside the function, the graph shifts to 5 units right . If it was,

$g(x) = f(x)-5$

then, the graph shifts to 5 units down .

So out of the given four options, correct option is the last option that is option d .

3 0

3 years ago

Read 2 more answers

Which fact is not used to prove that PQR is similar to STR? Segments ST and PQ are parallel. Angle P is congruent to itself due

ioda

<span>The fact that is not used to prove that PQR is similar to STR is that "</span>Angle P is congruent to itself due to the reflexive property." The statements Segments ST and PQ are parallel, RP is a transversal line passing ST and PQ and Angles RTS and RQP are congruent due to the Corresponding Angles Postulate are all true.

7 0

3 years ago

A random sample of 157 recent donations at a certain blood bank reveals that 86 were type A blood. Does this suggest that the ac

posledela

Answer: Yes, this suggest that the actual percentage of type A donations differs from 40%, the percentage of the population having type A blood.

Step-by-step explanation:

Since we have given n = 157

x = 86

So, $\hat{p}=\dfrac{x}{n}=\dfrac{86}{157}=0.55$

and we have p = 0.4

So, hypothesis would be

$H_0:p=\hat{p}\\\\H_a:p\neq \hat{p}$

Since there is 1% level of significance.

So, test statistic value would be

$z=\dfrac{\hat{p}-p}{\sqrt{\dfrac{p(1-p)}{n}}}\\\\z=\dfrac{0.55-0.40}{\sqrt{\dfrac{0.4\times 0.6}{157}}}\\\\z=\dfrac{0.15}{0.039}\\\\z=3.846$

and the critical value at 1% level of significance , z = 2.58

Since 2.58<3.846.

So, we reject the null hypothesis.

Hence, Yes, this suggest that the actual percentage of type A donations differs from 40%, the percentage of the population having type A blood.

6 0

4 years ago

PLZ ANSWER BOTH QUESTION

amid [387]

Answer:

The value of 2 pennies and 3 dimes is 17¢. The value of p pennies and d dimes is (p×1)+(d×5)

Step-by-step explanation:

Use the formula (p×1)+(d×5).

Insert the number of pennies and dimes into the formula: (2×1)+(3×5).

Solve the equation: (2×1)+(3×5)

= 2+(3×5)

= 2+15

= 17

So, there are 17¢ in 2 pennies and 3 dimes.

The answer for question 2 is the formula written above.

5 0

3 years ago