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artcher [175]
2 years ago
7

Bianca calculated the height of the equilateral triangle with side lengths of 10.

Mathematics
1 answer:
MA_775_DIABLO [31]2 years ago
6 0

Answer:

Bartholomew

Step-by-step explanation:

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Evaluate the exponent expression 3x–4 ⋅ xy2 for x = –1 and y = 2.
ddd [48]

Answer:

48

Step-by-step explanation:

Given,

x = - 1

y = 2

To find : The value of 3x - 4 ⋅ xy² ?

Substitute the given values of x and y in the expression 3x - 4 ⋅ xy².

3x - 4 ⋅ xy²

= 3 ( - 1 ) - 4 ⋅ ( - 1 ) ( 2 )²

= - 3 - 4 ⋅ - 1 ( 4 )

= - 12 ⋅ - 4

= 48

Note : -

When a negative number gets multiplied with a negative, the resulted number is a positive number.

8 0
2 years ago
Find the average. Round your answer to the nearest whole number.<br><br> 8, 12, 7, 5, 2
AVprozaik [17]

Answer:

7

Step-by-step explanation:

8 + 12 + 7 + 5 + 2= 34

34/5 =6.8

Rounded =7

5 0
3 years ago
Yesterday, the snow was 2 feet deep in front of Archie’s house. Today, the snow depth dropped to 1.6 feet because the day is so
jolli1 [7]
Was = 100%
Now = 80%
Difference = 20%
5 0
3 years ago
Read 2 more answers
The HCF and LCM of two numbers x and 126 are 24 and 840 respectively. Find the value of x.
Zigmanuir [339]

Answer:

x=160

Step-by-step explanation:

x×126=24×840

x=\frac{24 \times840}{126} =160

8 0
3 years ago
Write an expression that is equivalent to 4n – 12 + 8y + (-3n).
Dimas [21]
It would be 1n - 12 + 8y.
4n - 3n = 1n
12 + 8y don’t mix so we can leave it.
Therefore: 1n - 12 + 8y
7 0
3 years ago
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