MATHEMATICS HIGH SCHOOL

At a local gardening store, a palm tree is 1.2 ft taller than acactus. The palm tree is 4.9 ft tall. Use the equation 4.9 = c + 1.2
to find the height in feet, c, of the cactus. Show your work.

Answers

Answer 1

Answer:

Answer:

c = 3.7

Step-by-step explanation:

c + 1.2 = 4.9

c = 4.9 - 1.2

c = 3.7

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Determine the volume of a sphere with a diameter of 5 inches.Use 3.14 for Pi, and round your answer to the nearest inch. a. 65 cu. in c. 60 cu. in b. 75 cu. in d. 11 cu. in Please select the best answer from the choices provided

Answers

Answer:

Step-by-step explanation:

r = 2.5 in

V = 4(3.14) $(2.5 in)^(3)$ /3 = $65 in^(3)$

Explain how you can use a straightedge and a compass to construct and angle that is both congruent and adjacent to a given angle?

Answers

Explain how you can use a straightedge and a compass to construct and angle that is both congruent and adjacent to a given angle?

Answer: for this you will simply have to use the straightedge to draw two parallel lines and then you draw a line that goes through them that is perpendicular. You then use the compass to measure the angles, they should be congruent and adjacent.

I hope it helps, Regards.

Let's say x is the given angle

with compass point at A , draw a large arc cutting the line at C

then place compass at point c and draw a small arc through D

Then keeping the compass point at C, draw a similar small arc at E

Join A and E with straight edge

hope this helps

Will mark brainliest for this: A rectangle is mesured 3 cm by 6 cm. Three of theses rectangles are put together to make a larger rectangle. Work out the perimeter of the larger rectangle it is: 3 cm x 2 and 6 cm x 2 plus the height of the the two rectangles times 2 Hope this makes sense if you have any questions feel free to ask me

Answers

Answer:

Step-by-step explanation:

total length = 6 + 6 + 6 = 18 cm

total breadth = 3 + 3 + 3 = 9 cm

perimeter = 2 ( l + b )

= 2 ( 18 + 9 )

= 2 × 27

I need help with this question can you explain it step by step so I can know how to do the math

Answers

Answer:

Step-by-step explanation:

$7x^2 - 4x - 4 = 0$

The quadratic formula is x = (-b± $√(b^2 - 4ac)$ )/2a when $ax^2+bx+c=0$ .

Use direct substitution.

x = (-(-4)± $√((-4)^2-4(7)(-4))$ )/2(7)

simplify

x = (4± $√(16+112)$ )/14

x = (4± $√(128)$ )/14

factor greatest perfect square out of $√(128)$

x = (4± $√(64)*√(2)$ )/14

simplify

x = (4± $8*√(2)$ )/14

greatest common factor

x = (2(2)± $4(2)*√(2)$ )/7(2)

x = (2)(2± $4*√(2)$ )/7(2)

x = (2± $4*√(2)$ )/7

Possible solutions for quadratic equation

$x_(1)$ = $(2+4*√(2))/(7)$

$x_(2)$ = $(2-4*√(2))/(7)$

Ach Sunday, Mario weighs himself. Here are his weight changes over a 4-week period. Week 1 2 3 4 Weight Change –1.8 +0.9 –1.4 +0.4 How much has Mario's weight changed over the entire 4 weeks?a. 4.5 pounds
b. –1.9 pounds
c. –4.5 pounds
d. 1.9 pounds

Answers

B. All you do is -1.8 + 0.9 - 1.4 + 0.4, and you get -1.9 And if you want to see for your self just open a new tab on google and type in the numbers like the format i put it in and google calculator will give you the answer!

What is a fraction for 2.43?