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3 years ago

7

Please help I have no idea how to do this!!!

1 answer:

Ronch [10]3 years ago

8 0

Answer:

You have to graph and label the points

Step-by-step explanation:

3x-5 is just a straight line which is lesser than or equal to -1 so that is a closed circle

-2x+3 is another straight line which is (both open circle) which its domain is restricted from -1 to 4

2 is just a horizontal line starting at (closed circle) 4, it is greater than also.

If you don't understand the the constants (the numbers on their own) just a vertical translation.

If the cross either the x or y axis, you have to find that too, im pretty sure.

To find the y axis intercept, make x = 0 and solve for y

and to find the x axis intercept, make y = 0 and solve for x

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I need help on that question

Anika [276]

Answer:

the required answer is

$80 \sqrt{3}$

Step-by-step explanation:

here's the solution : -

=》

$4 \sqrt{5} \times 4 \sqrt{15}$

=》

$4 \sqrt{5} \times 4 \sqrt{5} \times \sqrt{3}$

=》

$4 \times 4 \times 5 \times \sqrt{3}$

=》

$80 \sqrt{3}$

3 0

3 years ago

Read 2 more answers

A chord is 10cm from the centre of a circle of radius 15cm. Find the length of the chord.

almond37 [142]

Answer: 21.44 cm

Step-by-step explanation:

Given

Radius r=15 cm

distance of chord from the center is 10 cm

From the figure, the length of the chord is AC

Applying Pythagoras

$\Rightarrow AO^2=OB^2+AB^2\\\Rightarrow AB^2=15^2-10^2\\\Rightarrow AB^2=225-100=115\\\Rightarrow AB=\sqrt{115}=10.72\ cm$

The length of the chord is $AC=2AB=21.44\ cm$

5 0

3 years ago

P³ = 1/8 please help me if anybody can .

ivanzaharov [21]

Answer:

$p= \dfrac{1}{2}$

Step-by-step explanation:

Given equation:

$p^3=\dfrac{1}{8}$

Cube root both sides:

$\implies \sqrt[3]{p^3}= \sqrt[3]{\dfrac{1}{8}}$

$\implies p= \sqrt[3]{\dfrac{1}{8}}$

$\textsf{Apply exponent rule} \quad \sqrt[n]{a}=a^{\frac{1}{n}}:$

$\implies p= \left(\dfrac{1}{8}\right)^{\frac{1}{3}}$

$\textsf{Apply exponent rule} \quad \left(\dfrac{a}{b}\right)^c=\dfrac{a^c}{b^c}:$

$\implies p= \dfrac{1^{\frac{1}{3}}}{8^{\frac{1}{3}}}$

$\textsf{Apply exponent rule} \quad 1^a=1:$

$\implies p= \dfrac{1}{8^{\frac{1}{3}}}$

Rewrite 8 as 2³:

$\implies p= \dfrac{1}{(2^3)^{\frac{1}{3}}}$

$\textsf{Apply exponent rule} \quad (a^b)^c=a^{bc}:$

$\implies p= \dfrac{1}{2^{(3 \cdot \frac{1}{3})}}$

Simplify:

$\implies p= \dfrac{1}{2^{\frac{3}{3}}}$

$\implies p= \dfrac{1}{2^{1}}$

$\implies p= \dfrac{1}{2}$

3 0

1 year ago

Read 2 more answers

Find the perimeter of the figure below. Notice that one side length is not given. Assume that all intersecting sides meet at rig

Setler [38]

52 ft

The missing side is 5ft because 11-6 is the remaining side length.

11+5+6+8+7+15=52

6 0

3 years ago

Help me fam I need help

Gre4nikov [31]

1). The 2 angles add up to 180 degrees. 2). And 3). The 2 angles are equal.

7 0

3 years ago