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Novay_Z [31]
3 years ago
9

Use the drawing below to answer the questions that follow.

Mathematics
2 answers:
kobusy [5.1K]3 years ago
8 0
16 is twice that of 8 and 11 is twice that of 5.5 so its 1/2. The length of the missing side is 5.5
scoray [572]3 years ago
3 0

Answer:

Part A: k=1/2

Part B: 5.5 feet

Step-by-step explanation:

Part A: To go from 16 to 8, you have to divide by 2 (or multiply by 1/2). Since the scale factor is always multiplication, you need to multiply by 1/2.

Part B: Using the scale factor of 1/2, multiply 11 by 1/2 and you will get 5.5.

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How many pounds of raisins were in her supply when she started?
sp2606 [1]

Answer:

i think it's 15 because if you use 5 and you have to do it by 3 it should be 15

8 0
3 years ago
All natural numbers are members of which other subsets of real numbers?
vesna_86 [32]
Wholes, integers, rationals, reals
6 0
4 years ago
Prove that root 7 is irrational by the method of contradiction
Alchen [17]

Let assume that \sqrt7 is a rational number. Therefore it can be expressed as a fraction \dfrac{a}{b} wherea,b\in\mathbb{Z} and \text{gcd}(a,b)=1.

\sqrt7=\dfrac{a}{b}\\\\7=\dfrac{a^2}{b^2}\\\\a^2=7b^2

This means that a^2 is divisible by 7, and therefore also a is divisible by 7.

So, a=7k where k\in\mathbb{Z}

(7k)^2=7b^2\\\\49k^2=7b^2\\\\7k^2=b^2

Analogically to a^2=7b^2 ------- b^2 is divisible by 7 and therefore so is b.

But if both numbers a and b are divisible by 7, then \text{gcd}(a,b)=7 which contradicts our earlier assumption that \text{gcd}(a,b)=1.

Therefore \sqrt7 is an irrational number.

8 0
4 years ago
Relatively Simple Math, pls lend a hand. 50 points and Brainliest
ivann1987 [24]
I think the answer is A
7 0
3 years ago
Read 2 more answers
I Need help please help me
Lelechka [254]

Answer:

C

Step-by-step explanation:

if you take

the given number and subtract them from the value you get when you multiply then you get -2

6 0
4 years ago
Read 2 more answers
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