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
Sever21 [200]
3 years ago
14

Whats 2+7 because i really need help

Mathematics
2 answers:
Aloiza [94]3 years ago
7 0

Answer:

9 LOL-

Step-by-step explanation:

kirill115 [55]3 years ago
5 0

Answer:

9

Step-by-step explanation:

You might be interested in
A (−1,4) maps into A′ (2,−1). Find the translation rule
Leni [432]

Answer:

its on quizlet

Step-by-step explanation:

6 0
3 years ago
A car is towed using a force of 1600N. The rope used to pull the car makes an angle of 25∘ with the horizontal. Find the work do
mezya [45]

Answer: 2900185 Joules

Step-by-step explanation:

Force used to tow the car is 1600N

Angle(α)= 25

Displacement = 2km

Recall that 1km= 1000m

Therefore 2km= 2000m

Workdone= FdCos α

W= 1600 * 2000 * cos 25

W=2900184.919

W= 2900185 Nm(when approximated to the nearest integer)

Since 1J = 1Nm

Work done = 2900185 J

5 0
3 years ago
Mary spent a total of $352.24 for a party. She spent $200.29 on food, plus an additional $30.39 for each hour of the party. How
FinnZ [79.3K]

The answer should be 5 hours.

8 0
3 years ago
Read 2 more answers
An open box with a square base is to have a volume of 18 ft^3.
kotegsom [21]

Answer:

2.29 ft of side length and 1.14 height

Step-by-step explanation:

a) Volume V = x2h, where x is side of square base and h is hite.

Then surface area S = x2 + 4xh because box is open.

b) From V = x2h = 6 we have h = 6/x2.

Substitude in formula for surface area: S = x2 + 4x·6/x2, S = x2 + 24/x.

We get S as function of one variable x. To get minimum we have to find derivative S' = 2x - 24/x2 = 0, from here 2x3 - 24 = 0, x3 = 12, x = (12)1/3 ≅ 2.29 ft.

Then h = 6/(12)2/3 = (12)1/3/2 ≅ 1.14 ft.

To prove that we have minimum let get second derivative: S'' = 2 + 48/x3, S''(121/3) = 2 + 48/12 = 6 > 0.

And because by second derivative test we have minimum: Smin = (12)2/3 + 4(12)1/3(12)1/3/2 = 3(12)2/3 ≅ 15.72 ft2

5 0
2 years ago
What is the straight distance between point h and j on the grid below
vesna_86 [32]

Answer:

Step-by-step explanation:

8

3 0
2 years ago
Other questions:
  • 60 pOINTS HELP PLEASE 4. A 20-kg child is tossed up into the air by her parent. The child is 2 meters off the ground traveling 5
    5·1 answer
  • Find the slope of the line graphed below
    11·2 answers
  • Jenny has 220 ounces of cleaning solution that she wants to divide equally among 12 large containers how much cleaning solution
    8·1 answer
  • 8.90 × 10^6 L has __ significant figures.
    6·2 answers
  • What device is being shown in the above photograph?
    11·1 answer
  • YOO PLZ HELP ASAP!! MARKING BRAINIEST!!!
    11·1 answer
  • Cuadrado de un binomio <br> 2<br> (7+x)
    12·2 answers
  • Rita goes for a bike ride on a trail by her house. After 15 minutes of riding she sees a mile marker. When she sees the third mi
    6·1 answer
  • A recipe calls for 1 2cup of sugar and 1 2 1 cups of flour. Which of the following is a correct comparison of the sugar and flou
    7·1 answer
  • PLS ANSWER
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!