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3 years ago

11

The Length of the side of the square A is twice the length of side of the square B. What is the ratio of the area square A to th

e area of square B.

1 answer:

Nina [5.8K]3 years ago

4 0

Answer:

1:2

Step-by-step explanation:

if the one side is twice the length that means that you need two of them to make the one thus the ratio 1 to 2

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What are the true and false statements for If two planes intersect, then their intersection is a line. Include converse, inverse

KonstantinChe [14]

Answer and Step-by-step explanation:

Solution:

Statement:

If two planes intersect their intersection is a line.

Suppose that

P =if two planes intersect.

q = then their intersection is line.

¬p = if two planes do not intersect.

¬q = then their intersection is not a line.

Converse:

If two planes intersect their intersection is a line.

P → q

Inverse:

If two planes do not intersect, then their intersection is not a line.

¬p → ¬q

Contrapositive:

If two planes intersection is not a line, then they do not intersect.

¬q → ¬p

3 0

3 years ago

Two chemists working for a chicken fast-food company, have been producing a very popular sauce. Let’s call then Jesse and Mr. Wh

a_sh-v [17]

Answer:

Check the explanation

Step-by-step explanation:

Let $\overline{x}$ and $\overline{y}$ be sample means of white and Jesse denotes are two random variables.

Given that both samples are having normally distributed.

Assume $\overline{x}$ having with mean $\mu_{1}$ and $\overline{y}$ having mean $\mu_{2}$

Also we have given the variance is constant

A)

We can test hypothesis as

$H0: \mu_{1} = \mu_{2}H1: \mu_{1} > \mu_{2}$

For this problem

Test statistic is

$T=\frac{\overline {x}-\overline {y}}{s\sqrt{\frac {1}{n1} +\frac{1}{n2}}}$

Where

$s=\sqrt{\frac{(n1-1)*s1^{2}+(n2-1)*s2^{2}}{n1+n2-2}}$

We have given all information for samples

By calculations we get

s=2.41

T=2.52

Here test statistic is having t-distribution with df=(10+7-2)=15

So p-value is P(t15>2.52)=0.012

Here significance level is 0.05

Since p-value is <0.05 we are rejecting null hypothesis at 95% confidence.

We can conclude that White has significant higher mean than Jesse. This claim we can made at 95% confidence.

3 0

3 years ago

What is the sum 3/7 + 1/2

masya89 [10]

Answer:

13/14

Step-by-step explanation:

3/7+1/2

LCM = 14

6/14+7/14=13/14

4 0

2 years ago

Read 2 more answers

Characteristics of parallelogram

nadya68 [22]

Opposite sides are parallel
Opposite angles are congruent
Opposite sides are congruent.

3 0

2 years ago

Please help MATHEMATICS

laila [671]

Answer:

3x+3

Step-by-step explanation:

add up x-3,x+6 and x

combine like terms

x+x+x-3+6=3x+3

4 0

3 years ago