1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
Natasha_Volkova [10]
3 years ago
12

Please some one help me with this i don't know how to do these three problems

Mathematics
1 answer:
AysviL [449]3 years ago
3 0
1)can't see the illustration 
2) -2+10=8  and-4+12=8
3) 123-180= -57  185-255=-70
Bart has -57 points and Sam has -70 points  which means that  Bart won the game because after adding up the sums  their games Bart has a total of -57 and Sam has a total of -70  and -57 is higher then -70.
You might be interested in
Use a half-angle identity to find the exact value
Tatiana [17]

Given:

\cos 15^{\circ}

To find:

The exact value of cos 15°.

Solution:

$\cos 15^{\circ}=\cos\frac{ 30^{\circ}}{2}

Using half-angle identity:

$\cos \left(\frac{x}{2}\right)=\sqrt{\frac{1+\cos (x)}{2}}

$\cos \frac{30^{\circ}}{2}=\sqrt{\frac{1+\cos \left(30^{\circ}\right)}{2}}

Using the trigonometric identity: \cos \left(30^{\circ}\right)=\frac{\sqrt{3}}{2}

            $=\sqrt{\frac{1+\frac{\sqrt{3}}{2}}{2}}

Let us first solve the fraction in the numerator.

            $=\sqrt{\frac{\frac{2+\sqrt{3}}{2}}{2}}

Using fraction rule: \frac{\frac{a}{b} }{c}=\frac{a}{b \cdot c}

            $=\sqrt{\frac {2+\sqrt{3}}{4}}

Apply radical rule: \sqrt[n]{\frac{a}{b}}=\frac{\sqrt[n]{a}}{\sqrt[n]{b}}

           $=\frac{\sqrt{2+\sqrt{3}}}{\sqrt{4}}

Using \sqrt{4} =2:

           $=\frac{\sqrt{2+\sqrt{3}}}{2}

$\cos 15^\circ=\frac{\sqrt{2+\sqrt{3}}}{2}

5 0
3 years ago
What sentences in Japanese do y'all know?
FrozenT [24]

Answer:

Jang wang ching chang hshahhsb

3 0
3 years ago
Read 2 more answers
Which integer represents the statement "Drink descended 50 feet"?
azamat

Answer:

-50

Step-by-step explanation:

If the drink is descending by 50 feet, hypothetically I would say that the drinks at 0 ft. so it would be -50

7 0
3 years ago
Read 2 more answers
Mrs. Backstrom built a small wooden box for her cat. The box has a length of one and one tenth feet, a width of 1.6 feet, and a
likoan [24]

Answer:

\text{Volume of cat box}=3.52\text{ ft}^3

Step-by-step explanation:

We have been given that Mrs. Backstrom built a small wooden box for her cat. The box has a length of one and one tenth feet, a width of 1.6 feet, and a height of 2 feet. We are asked to find the volume of the box.

Let us convert one and one tenth feet into decimal.

1\frac{1}{10}=\frac{11}{10}=1.1

Since the cat box is in form of cuboid, so its volume will be equal to the product of length, width and height as:

\text{Volume of cat box}=1.10\text{ ft}\times 1.6\text{ ft}\times 2\text{ ft}

\text{Volume of cat box}=3.52\text{ ft}^3

Therefore, the volume of the cat box is 3.53 cubic feet.

8 0
3 years ago
You select a card at random from the cards that make up the word "replacement". Without replacing the card, you choose a second
lutik1710 [3]

Answer:

The probability is 14/55

Step-by-step explanation:

The word replacement contains 11 letters.

In which 4 letters are vowel = e,a,e,e

And 7 letters are not vowel = r,p,l,c,m,n,t

The probability of getting the vowel in the first try = 4/11

The probability of getting something that is not a vowel = 7/10.

The denominator is one less because the vowel card is not replaced, meaning there is one less card to choose from.

Multiply the values:

=4/11 * 7/10

=28/110

=14/55

The probability is 14/55....

5 0
3 years ago
Other questions:
  • There are 600 students in a school. The ratio of boys to girls is 3:5. How many boys and how many girls are there?
    10·1 answer
  • Jared had taken out a loan for his car. His monthly payments amount to $650. If his loan is for 36 months, and he paid a down pa
    10·1 answer
  • Andrew needs 995 tickets to get the prize he wants at the arcade. He already has 319 tickets and can earn 42 tickets each time h
    7·1 answer
  • A scenic overlook which extends over a ravine is shaped like a kite.
    15·1 answer
  • The length of the hypotenuse of a right triangle is 157 units. The length of one leg of the triangle is 132 units. Lara wrote th
    10·1 answer
  • Which equation is modeled below?
    15·2 answers
  • Solve the system of equations - 4x + 5y = 35 and - 2 + 2y = 8 by combining the<br> equations.
    14·2 answers
  • Use the distributive property to rewrite this expression.<br> 2(a +3)
    10·1 answer
  • What is the square root of 16 ?<br><br><br><br><br> Join <br> 915 9482 0043 Gm1fgZ
    12·1 answer
  • What is the directrix of a parabola whose equation is (y+3)^3=8(x-3)?
    11·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!