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3 years ago

Someone pls help... I'm terrified I'm gonna fail and this test is literally my life...

Mathematics

1 answer:

guajiro [1.7K]3 years ago

6 0

Answer: it is 49 or -49

Step-by-step explanation:

if you divide 49 by 7 it comes out to seven because 7 times 7 is 49.

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Zachary purchased a computer for $1,200 on a payment plan. Four months after he purchased the computer, his balance was $780. Fi

DedPeter [7]

Answer:

y = 105x

Step-by-step explanation:

He loses $105 per month

8 0

2 years ago

what is the probability that a positive integer less than 100 picked at random has all distinct digits

bazaltina [42]

the probability that a positive integer less than 100 picked at random has all distinct digits is 90.

He has 99 positive integers less than 100.

The integers that do not have all distinct digits have the same digit twice.

11, 22, 33, 44, 55, 66, 77, 88, 99

There are 9 integers that do not have distinct digits, therefore there are 99-9 integers that do.

Probability is without a doubt how probable something is to show up. whenever we are uncertain about the final results of an occasion, we can talk about the possibilities of sure outcomes and how probable they are. The analysis of events governed by opportunity is referred to as records.

A chain of moves in which the results are usually unsure. The tossing of a coin, selecting a card from a deck of playing cards, throwing a cube. occasion. it is a single final results of an experiment. Getting a Heads whilst tossing a coin is an event.

Simple probability is the calculation of an outcome or the chance of an event ever taking place. coverage companies use possibility statistics to determine the possibilities of having to pay out a declare. A simple chance is calculated by way of dividing a particular outcome through all of the feasible outcomes.

Learn more about probability here brainly.com/question/24756209

#SPJ4

8 0

2 years ago

I need help!! Find the area of each shaded segment. Round your answer to the nearest 10th

guajiro [1.7K]

Given:

θ = 60°

Radius = 8 in

To find:

The area of the shaded segment.

Solution:

Vertically opposite angles are congruent.

Angle for the shaded segment = 60°

<u>Area of the sector:</u>

$$A=\pi r^2\times \frac{\theta}{360^\circ}$

$$A=3.14 \times 8^2\times \frac{60^\circ}{360^\circ}$

A = 33.5 in²

Area of the sector = 33.5 in²

<u>Area of triangle:</u>

$$A=\frac{1}{2} bh$

$$A=\frac{1}{2} \times 8\times 8$

A = 32 in²

Area of the triangle = 32 in²

Area of segment = Area of sector - Area of triangle

= 33.5 in² - 32 in²

= 1.5 in²

The area of the shaded segment is 1.5 square inches.

8 0

3 years ago

Big Bob’s Pizza is having a special on pizza and is offering two different choices:

Anna71 [15]

Answer:

The Choice N#1 will give more pizza for your money

Step-by-step explanation:

step 1

Find the area of one slice Choice #1

The area of the circle is equal to

$A=\pi r^{2}$

we have

$r=22/2=11\ in$ ----> the radius is half the diameter

assume

$\pi =3.14$

The area of one slice is equal to

$A=(1/8)\pi r^{2}$

substitute

$A=(1/8)(3.14)(11)^{2}$

$A=47.4925\ in^{2}$

Divide the cost by the area

$4.95/47.4925=0.10\frac{\$}{in^{2}}$

step 2

Find the area of the entire personal pizza Choice # 2

The area of the circle is equal to

$A=\pi r^{2}$

we have

$r=6/2=3\ in$ ----> the radius is half the diameter

assume

$\pi =3.14$

substitute

$A=(3.14)(3)^{2}$

$A=28.26\ in^{2}$

Divide the cost by the area

$3.75/28.26=0.13\frac{\$}{in^{2}}$

therefore

The Choice N#1 will give more pizza for your money

5 0

4 years ago

On a road trip, a family drives 350 miles per day. How many days, d, must they travel to reach a distance of at least 1,400 mile

Semenov [28]

Answer:

Inequality symbol = ≥

Solution = d≥4

Step-by-step explanation:

If a family drives 350 miles per day, then;

1 day = 350 miles

To determine the number of days they will use to reach at least 1400mles

d days = 1400miles

Divide both expressions

1/d = 350/1400

Cross multiply

350 * d = 1400

350d = 1400

Since we are told that it ia at least 1400miles, this means the total miles can be greater than 1400. Hence the correct inequality sign to use will be a greater than or equal to sign(≥).

The expression above becomes 350d ≥ 1400

Divide both sides by 3350

350d ≥ 1400/350

d≥ 4

Hence the solution that represent the situation is d≥ 4

8 0

3 years ago