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dem82 [27]
3 years ago
10

What is 625 x 625 Then what is the atomic weight of hydrogen.

Mathematics
1 answer:
Illusion [34]3 years ago
6 0

Answer:

la respuesta es:

Step-by-step explanatio:

625 x 625

390,625

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Which number can not be used to write related number sentences? explain. 5 7 9 14
Veseljchak [2.6K]
The number 7 cannot be used to write related number sentences because it wouldn't fit into the equation & make it true. 
9 + 5 = 14
5 + 9 = 14
14 - 5 = 9
14 - 9 =5
Nowhere in any of these equations can the #7 go in, & make these number sentences true. 
Hope this helps & makes sense ! (:
4 0
3 years ago
Which statements about the new prism are true? Check all that apply.
Alecsey [184]

Answer:image

Step-by-step explanation:The photo is the answer

5 0
3 years ago
A car travels 0.75 miles per minute. Explain how you could use proportional reasoning to find how far the car travels in one hou
Zina [86]
Notice the proportions below.  Keep in mind that 1 hour is 60 minutes.

\bf \begin{array}{ccll}
miles&minutes\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
0.75&1\\
x&60
\end{array}\implies \cfrac{0.75}{x}=\cfrac{1}{60}\implies \cfrac{0.75\cdot 60}{1}=x\implies 45=x
4 0
3 years ago
Please help me.........
marishachu [46]

Answer:

126 square feet

Step-by-step explanation:

The formula for the area of a triangle is ...

A = (1/2)bh . . . . . where b is the base length and h is the height

Here, you have a triangular face that has a base of 6 ft and a height of 14 ft. Its area is ...

A = (1/2)(6 ft)(14 ft) = 42 ft^2

The lateral area of the pyramid consists of 3 such triangles, so the lateral area is ...

LA = 3·(42 ft^2) = 126 ft^2

6 0
4 years ago
HELP, VERY EASY MATHS QUESTION
Helen [10]

Answer:

z=7

Step-by-step explanation:

area = ½ × (a + b) × h.

260 = 37 + 4z × 8 ×0.5

260/0.5 = 520

520/8=65

37 + 4z = 65

65-37 = 28

28/4=7

z=7

3 0
3 years ago
Read 2 more answers
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