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Marizza181 [45]
3 years ago
15

what is the volume of the square pyramid with the square base that is 7 centimeters by 7 centimeters and the height is 8 centime

ters? round the answer to the nearest hundredth.
Mathematics
2 answers:
Leno4ka [110]3 years ago
6 0

Answer:

V=a²h/3

Step-by-step explanation:

vagabundo [1.1K]3 years ago
4 0

Answer:c

Step-by-step explanation:

i did the test

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I need help on this question
pogonyaev

Answer:

315

Step-by-step explanation:

1. This is not a scale rectangle and it angers me.

2. All you have to do is draw proportions.

5x7=35

15x21=315

Youll notice that 5x3=15 and 7x3=21 so it’s just proportions!

5 0
3 years ago
Plz, help me I will give you a brainlist and Extra points. If you help me.
stiv31 [10]

Answer:

B) (4/9 x 20)-3

8 0
3 years ago
Mr. Wallace needs to divide his class or 23 students into 9 groups. Each group can have two or three students. If a is the numbe
IRINA_888 [86]

Answer:

d)  Mr.Wallace can use the following equations:

    a + b = 9

   2 a + 3 b = 23

Step-by-step explanation:

Here, the total number of students = 23

Number of groups = 9

Each group can have 2 or 3 students.

a is the number of  groups of 2.

⇒ Total students in a groups  = a x (Number of  student in each group)

= a x 2 = 2 a

b is the number of groups of 3

⇒ Total students in b groups  = b x (Number of  student in each group)

= b x 3 = 3 b

So, according to the question:

Total number of groups formed = 9

⇒ a + b = 9

Total number of students  = 23

or Number of students in  ( a  group + b group ) = 23

⇒ 2 a + 3 b = 23

Hence, Mr.Wallace can use the following equations:

a + b = 9

2 a + 3 b = 23

6 0
3 years ago
Simplify this expression 10b+7-3b-2
iren2701 [21]

Answer:

7b+5

Step-by-step explanation:

10b + 7 − 3b −2

=10b + 7 + −3b + −2

Combine Like Terms:

=10b + <u>7 </u>+ −3b + <u>−2 </u>

=(10b + −3b) + ( <u>7 </u>+ <u>−2</u>)

=7b + <u>5</u>

Answer:

7b + 5

Hope this helps : )

3 0
3 years ago
Read 2 more answers
-<br> (4x – 1) (8w? – 7x + 1)<br> -
Eduardwww [97]

Answer:i dont know

Step-by-step explanation:

3 0
3 years ago
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