All categories

3 years ago

Can someone please help me I will be giving 100 points and 5 starts if you can help me

Mathematics

1 answer:

svlad2 [7]3 years ago

4 0

Answer:

number 5 is 15x

Step-by-step explanation:

what you have to do is just add basically. The ones with exponents you do the usual with those as well. Ignore the X's and when you solve the problem add the x beside the number.

You might be interested in

A triangle ABC with vertices A (1, 5), B (5, 2), and C (-1, 2) is rotated 90º . What are the coordinates of C'?

pshichka [43]

The answer is (-2,-1), by the formula:
R90 (x,y)= (-y,x)

4 0

3 years ago

According to the Centers for Disease Control and Prevention, the proportion of U.S. adults age 25 or older who smoke is .22. A r

MaRussiya [10]

Answer:

The null hypothesis is $H_0: p = 0.22$

Step-by-step explanation:

According to the Centers for Disease Control and Prevention, the proportion of U.S. adults age 25 or older who smoke is .22

This means that at the null hypothesis, it is tested if the proportion is in fact 0.22, that is:

$H_0: p = 0.22$

A researcher suspects that the rate is lower among U.S. adults 25 or older who have a bachelor's degree or higher education level.

At the alternative hypothesis, it is tested if the proportion is lower than 0.22, that is:

$H_1: p < 0.22$

5 0

3 years ago

How do you solve this?

ycow [4]

Answer:

6.26m²

Step-by-step explanation:

A = 1/2abSinC

= 1/2 × 10.3 × 6.2 × sin 11.3

= 6.26m²

4 0

3 years ago

The kinetic energy (in joules) of a moving object can be calculated from the expression 1/2mv^2, where m is the mass of the obje

algol13

Answer: $116\text{ joules}$

Step-by-step explanation:

Given: Mass of baseball=0.145 kg

Speed of baseball=40 meters per second

Also it is given that The kinetic energy (in joules) of a moving object can be calculated from the expression $\frac{1}{2}mv^2$ , where 'm' is the mass of the object in kilograms and 'v' is its speed in meters per second.

Thus, the kinetic energy of baseball= $\frac{1}{2}(0.145)(40)^2$

$\frac{1}{2}(0.145)(1600)=116\text{ joules}$

3 0

4 years ago

Read 2 more answers

21. The area of a circle is 240cm2. If 40cm2 was shaded what fraction of it was not?

trapecia [35]

Not shaded is 20cm igs

3 0

3 years ago