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ludmilkaskok [199]
3 years ago
13

Help pleas I really could use some help

Mathematics
1 answer:
OlgaM077 [116]3 years ago
7 0
It  would be C that is it
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Jessica is planting a garden. It has the shape of a right triangle. She wants 2 plants for each square yard of area. How many pl
attashe74 [19]

Answer:

42 plants

Step-by-step explanation:

Dimensions are missing.

Suppose a right triangle has a base of length 7yards  and a height of 24 yards.

As you know, Area of triangle can be determined by

Area of triangle 'A'=  1/2 x b x h = 1/2 x 7 x 24

A= 84 yards²

Now she wants 2 plants for each square yard of area

therefore, if the area is 84 yards²:

number of plants are 84/2=> 42 plants

Thus, She wants 42 plants in the garden

6 0
3 years ago
If 5x a number is decreased by twelve n the result is 108 wat is the number
Vesnalui [34]

Answer:

The answer is 24.

Step-by-step explanation:

To find the unknown number, add 12 to 108 to get 120. Then, divide 120 by 5 to get 24.

To check if this is correct, multiply 5 and 24 to get 120, and then subtract 12 from 120 to get 108.


I hope this helped! :-)

4 0
3 years ago
A sporting goods store ordered 144 cans if tennis balls
lapo4ka [179]
I need to know the rest of the question in order to help you! :D
7 0
3 years ago
What is the value of x in the diagram?<br> у<br> X<br> X-20
dem82 [27]

Answer:

y= 35⁰

x = 55⁰

Step-by-step explanation:

total angle of triangle is 180⁰

therefore we can equate:

x + (x-20) + 90 = 180

2x + 70 = 180

x = 55⁰

total of x and y is equal to 90⁰ since it is a right angle;

x + y = 90

x = 55⁰

55⁰ + y = 90

y = 35⁰

8 0
3 years ago
Tinky Winky is 2 years younger than Laa Laa. If the product of Tinky's and Laa Laa's ages is equal to 1 less than 5 times the su
dybincka [34]

Answer:

<h3><u>Solution</u><u>:</u><u>-</u></h3>

Let

Tinky's age=x

Laa's age=x+2

According to the question

\qquad\quad {:}\longmapsto\sf 5 (x+x+2)-1=x (x+2)

\qquad\quad {:}\longmapsto\sf 5(2x+2)-1=x^2+2x

\qquad\quad {:}\longmapsto\sf 10x+5-1=x^2+2x

\qquad\quad {:}\longmapsto\sf 10x+4=x^2+2x

\qquad\quad {:}\longmapsto\sf 10x-2x+4=x^2

\qquad\quad {:}\longmapsto\sf x^2=8x+4

\qquad\quad {:}\longmapsto\sf x^2-8x-4=0

8 0
3 years ago
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