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natima [27]
3 years ago
14

7TH GRADE MATH. PLS HELP

Mathematics
1 answer:
Elza [17]3 years ago
6 0

Answer:

192 squared centimeters

Step-by-step explanation:

area equal to 1/2 * base * perpendicular height

1/2*24*16

=192 squared centimeters

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If 3 students make up 10% of the class, how many students are there total in the class?
stealth61 [152]

Answer:

30 students

Step-by-step explanation:

3 students = 10% of the class.

x students = 90% of the class.

(If more, less divides. Let x be the subject. Since we know 10% of the class already, we have to find the remaining 90% that is 100% - 10% = 90%.)

x = 90%/ 10% × 3 students. ( the percentage signs cancel out and so do the zero's.)

x= 9/1 × 3 students ( 9/1 is the same as 9)

x= 27 students

(To find the total, you must add the 10% of the students to the remaining 90% of the students in the class.)

Total number of students in the class = 27 students + 3 students

= 30 students

7 0
3 years ago
A study of 250 households in a cedar bluff showed that a household produced an average of 4 pounds of garbage per day. What is t
mel-nik [20]

Answer:

See explanation

Step-by-step explanation:

1. The sample of this study is 250 households in a cedar bluff. Population sample means the total number of units or participants are participating in a study to determine the result.

2. The population of interest refers to the objects and measurement through which a population sample can be measured to make a bold decision. Here, 4 pounds of garbage per day is a measurement to make a valuable decision to validate the study.

5 0
3 years ago
Can someone explain To me how to do this and to figure out the answer for 14 and 15
Radda [10]
Do you know how to find area
8 0
3 years ago
Deidre bought a car in California. The price of the car was $32,000. California has an 8% sales tax. How much did Deidre pay for
MrRa [10]

Given:

Price of car = $32,000

Sales tax = 8%

To find:

The price of car including sales tax.

Solution:

We have,

Price of car = $32,000

Salas tax = 8%

Amount of sales tax = 8% of price of car

\text{ Sales Tax}=\dfrac{8}{100}\times 32000

\text{Sales Tax}=2560

Now,

Total price of car including tax = Price of car + Sales tax

\text{Total price of car including tax}=32000+2560

\text{Total price of car including tax}=34560

Therefore, the price of car including tax is $34560.

4 0
3 years ago
What is -7+4m+10=15-2m=
Inessa [10]

Answer:

m=2

Step-by-step explanation:

Add the numbers

-7+4m+10=15-2m

3+4m=15-2m

Rearrange terms

3+4m=15-2m

4m+3=15-2m

Rearrange terms

4m+3=15-2m

4m+3=-2m+15

Subtract 3 from both sides of the equation

4m+3=-2m+15

4m+3-3=-2m+15-3

Simplify

4m=-2m+12

Add 2m to both sides of the equation

4m=-2m+12

4m+2m=-2m+12+2m

Simplify

6m=12

Divide both sides of the equation by the same term

6m = 12

6m/6 = 12/6

Simplify

m = 2

5 0
3 years ago
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