All categories

3 years ago

This one is more harder

Mathematics

2 answers:

dedylja [7]3 years ago

8 0

The sum of a number and its opposite are 0. For example the sum of 15 and -15 are 0, as are the sums of -325 and 325.

mezya [45]3 years ago

6 0

Opposite is the word in blank

You might be interested in

If kn equals 29 what is cn

Karo-lina-s [1.5K]

29 kn are equal to 2900000 cn

6 0

4 years ago

Tim typed a 46-word paragraph in 3/4 of a minute. What is his typing speed per minute?

Ganezh [65]

Answer:

Hmm, I think the answer is 57.5.

Step-by-step explanation:

Since 46 = 3/4, we divide 46 by 4 to get one fourth. That is 11.5 . Then, multiply it by 4 to get by one minute. 11.5 x 4 = 57.5

7 0

3 years ago

Read 2 more answers

Since 325 does not equal 400, is this a right triangle?

EleoNora [17]

Answer:

Step-by-step explanation:

it is a obtuse triangle

3 0

3 years ago

Read 2 more answers

A sample of 500 nursing applications included 60 from menThe 95% confidence interval of the true proportion of men who applied t

Dafna1 [17]

Answer:

The correct solution is "(0.092, 0.148)".

Step-by-step explanation:

Given:

Sample size,

n = 500

True proportion,

$\hat {p} = \frac{60}{500}$

$=0.12$

The standard error will be:

$SE=\sqrt{\frac{\hat p(1-\hat p)}{n} }$

$=\sqrt{\frac{0.12(1-0.12)}{500} }$

$=\frac{0.12(0.88)}{500}$

The confidence interval is "1.96".

hence,

The required confidence interval will be:

= $(\hat p - 1.96 SE, \hat p + 1.96 SE)$

By substituting the values, we get

= $(0.12-1.96\sqrt{\frac{0.12(0.88)}{500} }, 0.12+1.96\sqrt{\frac{0.12(0.88)}{500} } )$

= $(0.092, 0.148)$

8 0

3 years ago

State the property that justifies the statement: If 4x + 9 = 15 and X=2y + 1,

GREYUIT [131]

Answer:

Substitution property of equality

Step-by-step explanation:

Given

$4x + 9 = 15$ and $x = 2y + 1$

Then

$4(2y + 1) + 9 = 15$

Required

State the property

From the list of options, (d) answers the question.

This is so because:

Substitution property of equality states that

If $a = b$ then $b = a$

In other words, both can replace one another.

So if $x = 2y + 1$ , then 2y + 1 can be substituted for x in $4x + 9 = 15$

So:

$4x + 9 = 15$ becomes

$4(2y + 1) + 9 = 15$

<em>Hence, it is substitution property of equality</em>

6 0

3 years ago