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Eduardwww [97]
3 years ago
5

Can someone help me with the missing ones??

Mathematics
1 answer:
den301095 [7]3 years ago
6 0

Answer:

Step-by-step explanation:

3). Definition of midpoint

4). Midpoint theorem ( ≅ parts are = )

7). Division Property of Equality.

8).  QR = 5 + <em>2</em> = 7     Substitution x by equal value

9). PQ = 4(<em>2</em>)  - 1 = 7    Substitution x by equal value

10). Segment addition postulate

11). Substitution

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Which quadratic equation has the roots -1+4i and -1-4i
AysviL [449]

Answer:

C

Step-by-step explanation:

Solve the quadratic in answer choice C using the quadratic formula:

x=\frac{-b+/-\sqrt{b^2-4ac} }{2a}.

Here a=1, b=2, and c=17.

Substitute and you'll have:

x=\frac{-b+/-\sqrt{b^2-4ac} }{2a} =\frac{-2+/-\sqrt{(-2)^2-4(1)(17)} }{2(1)}=\frac{-2+/-\sqrt{4-68}}{2)}

\frac{-2+/-\sqrt{-64} }{2}=\frac{-2+/-8i }{2}=-1+/- 4i


6 0
4 years ago
Is 1third =to 1sixth
NNADVOKAT [17]

Answer: No, 1/3 is equal to 2/6

Step-by-step explanation: If you multiply the bottom number, the denominator, and the top number, the numerator, by 2, you will get 2/6 which is equal to 1/3.

3 0
4 years ago
Read 2 more answers
Teri has $6 less than does her sister, Jennie, who has x dollars. Teri
elixir [45]

The expression for the amount of money, in dollars, Teri has is x-2.

Since Jennie has x dollars while Teri has $6 less than does Jennie, this means that Teri will have: x - 6

Since Teri does not spend any money and earns $4, the the total amount that Teri has will be:

= x - 6 + 4

= x - 2

Therefore, Teri has x-2.

Read related link on:

brainly.com/question/24499674

4 0
3 years ago
Choose the situation in which the use of exact numbers is most appropriate. A) Alice is adding peas to her vegetable soup B) Cas
likoan [24]
D) Jenny is writing a check to cover her monthly car payment. 
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3 years ago
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How does writing 3.441 in expanded form show why the same digit can have different values?
Olegator [25]
<span>Answer:
Standard Form:

3.441

<span>Expanded forms can be written
like a sentence or stacked for
readability as they are here.</span>

Expanded Numbers Form:

<span><span> 3 </span><span>+ 0.4</span><span>+ 0.04</span><span>+ 0.001</span></span>
Expanded Factors Form:

<span><span> 3 ×1 </span><span>+4 × 0.1</span><span>+4 × 0.01</span><span>+1 × 0.001</span></span>
Expanded Exponential Form:

<span><span>3 × 100</span><span>+<span>4 × 10-1</span></span><span>+<span>4 × 10-2</span></span><span>+<span>1 × 10-3</span></span></span>
Word Form:

three and
four hundred forty-one thousandths

</span>
3 0
3 years ago
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