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zepelin [54]
4 years ago
11

I NEED HELP PLEASEEE! thank you :)

Mathematics
2 answers:
zubka84 [21]4 years ago
7 0

Answer:

75 a

Step-by-step explanation:

Artemon [7]4 years ago
5 0

Answer:

70°

Step-by-step explanation:

The tangent- chord angle is one half the measure of the intercepted arc.

intercepted arc = 360° - 220° = 140°, thus

inscribed angle = 0.5 × 140° = 70°

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Evaluate 5a^2 + 2b^3 when a=4 and b =-4
Darya [45]
Hello there! How are you today?

5a^2 + 2b^3, solve when a = 4 and b = -4

To solve for this, we must replace "a" with 4, and "b" with -4.

I will set it up;

5(4^2) + 2(-4^3)

Simplify the parenthesis (PEMDAS).

5(16) + 2(-64)

Remove the parenthesis by multiplying them by the numbers to the outside of them.

5 x 16 = 80
2 x -64 = -128

We are now left with:
80 - 128

Simplify.

-48 is your final answer.

I hope this helps!
8 0
3 years ago
When 7 is subtracted from five times a number, the result is greater than twice the sum of the number and 4. Find all the number
hichkok12 [17]

Given :

When 7 is subtracted from five times a number, the result is greater than twice the sum of the number and 4.

To Find :

All the numbers that satisfy the inequality.

Solution :

Let , the number is x .

Mathematical expression for first term is :

5x - 7

Mathematical expression for second term is :

2(x + 4)

Now , comparing both the expression by given constrain.

5x - 7 > 2(x + 4)\\\\5x-7>2x+8\\\\3x>15\\\\x>5

So, all the numbers that satisfy the inequality are greater than 5.

Hence , this is the required solution.

3 0
4 years ago
Combine like terms:<br> 0.5(x^4 − 9) + 13
kolezko [41]

Expand

0.5x^4 - 4.5 + 13

Collect like terms

0.5x^4 + (-4.5 + 13)

Simplify

<u>0.5x^4 + 8.5</u>

4 0
4 years ago
What's the definition of dividend
Natalija [7]
Div·i·dend<span>ˈdivəˌdend/</span>noun<span>1.a sum of money paid regularly (typically quarterly) by a company to its shareholders out of its profits (or reserves).<span />2.MATHEMATICSa number to be divided by another number.

</span>
3 0
3 years ago
How many digits follow the decimal point in the product of 23.893 and 47.21 ?
DENIUS [597]
The product is 1,127.98853 ⇨ 5 digits follow after the decimal point. Hope that helps
3 0
4 years ago
Read 2 more answers
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