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3 years ago

If p=(-4,-1) find Rx-axis (p)

Mathematics

1 answer:

yuradex [85]3 years ago

3 0

Answer:

(- 4, 1 )

Step-by-step explanation:

Under a reflection in the x- axis

a point (x, y ) → (x, - y ), thus

(- 4, - 1 ) → (- 4, 1 )

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Find the area of the circle. Round your answer to the nearest hundredth. the radius is 12

Alchen [17]

Answer:

452.39 units^2

Step-by-step explanation:

formula: $\pi r^{2}$

8 0

3 years ago

Read 2 more answers

I’LL GUVE YOU BRAINLESS... For the water balloon fight, your mom filled up one hundred balloons

alexgriva [62]

Answer:

640 ounces

Step-by-step explanation:

128 fluid ounces per gallon x 5 gallons = 640 ounces

640 /100 = 6.4 ounces per balloon

3 0

3 years ago

PLEASE HELPPPPPP!!!!! You are performing an experiment to determine how well plants grow under different light sources. Of the 3

PIT_PIT [208]

The probability that a plant in the experiment receives visible or ultraviolet light is 7/10.

Step-by-step explanation:

The total number of plants in the experiment = 30 plants

Plants that receive visible light alone = 12 plants

Plants that receive ultraviolet light alone = 15 plants

Plants that receive both visible and ultraviolet light = 6 plants

step 1 :

Probability = No. of required events / Total number

step 2 :

P(visible) = 12 / 30

P(ultraviolet) = 15 / 30

P(both) = 6 / 30

step 3 :

P(visible or ultraviolet) = P(visible) + P(ultraviolet) - P(both)

= 12/30 + 15/30 - 6/30

= 21/30

P(visible or ultraviolet) = 7/10

8 0

3 years ago

2. A square-based tent has the cross-sectional

ollegr [7]

(a) Length of the height is 2.732 m

(b) Length of the base is 5.466 m

Explanation:

An image is attached for reference.

(a)

In ΔAOB,

$sin 30^o = \frac{AO}{AB} \\\\0.5 = \frac{AO}{2} \\\\AO = 1 m$

In ΔBGD,

$sin 60^o = \frac{BG}{BD} \\\\0.866 = \frac{BG}{2} \\\\BG = 1.732 m$

According to the figure, BG = OE = 1.732 m

Height of the tent, AE = AO + OE

= 1 m + 1.732 m

= 2.732 m

(b)

DF = ?

In ΔAOB,

$tan 30^o = \frac{AO}{OB} \\\\0.577 = \frac{1}{OB} \\\\OB = 1.733 m\\\\\\$

According to the figure, OB = GE = 1.733 m

In ΔBGD,

$tan 60^o = \frac{BG}{DG} \\\\1.732 = \frac{1.732}{DG}\\ \\DG = 1m$

According to the figure, DE = DG + GE

DE = 1 m + 1.733 m

DE = 2.733 m

Length of the base, DF = 2 X DE

DF = 2 X 2.733 m

DF = 5.466 m

8 0

3 years ago

Solve the system of equations by graphing: y= -2x + 7 y= 2x -5

valentina_108 [34]

Answer: If the question is asking for the point of intersection, it’d be (3,1).

Step-by-step explanation:

Both of the methods below are valid.

4 0

2 years ago