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
vampirchik [111]
3 years ago
11

Evaluate the expression when x= -7. x²+4x-3​

Mathematics
2 answers:
netineya [11]3 years ago
7 0

49+(-29)-3.Answer:

The answer is -80

Step-by-step explanation:

1. What I did first was plug in -7 into "x", so then your  expression is(-7^{2} )+4*(-7)-3

2. Then you multiply 7 two times and get - 49... So then you have -49+4(-7)-3

3. Then you multiply the 4 and -7 and get -29... So now you have -49+(-29)-3

4. Then you add -49 and -29. but keep the negative and get -77... so now you have -77-3

5. Then you add -77-3 but keep the negetive and get -80.

I hope this helps... have a wonderful day.

I am Lyosha [343]3 years ago
3 0
The answer is 18
-7^2+4(-7)-3
49+(-28)-3
21-3
18
You might be interested in
What is the mean absolute deviation of 6 15 7 14 11 13 15 15
Anettt [7]
U gotta add all the numbers then divide them by the amount of numbers there are. So divide them by 8 after u add
3 0
3 years ago
The manager of a vacation resort believes that the ages of adult visitors to the resort can be modeled by a normal distribution.
borishaifa [10]

Step-by-step explanation:

(a) A histogram is like a bar graph, but with ranges instead of values.

(b) The distribution is approximately uniform, with slightly more people at the younger and older ends than in the middle.

(c) The ages do not appear to come from a normal distribution.  Normal distributions are bell-shaped, tall in the middle and short on the sides.

5 0
4 years ago
Jerome solved the equation 1
inn [45]

Answer:

B (second option)

Step-by-step  step 2, the LCD was not used correctly to make equivalent fractions.

6 0
3 years ago
Read 2 more answers
How is the formula for the area of a triangle related to the formula for the area of a parallelogram?
Andreas93 [3]
Area of a triangle is A= 1/2 b x h and Area of a parallelogram is A=b x h. So I would say the area of a triangle is half of the area of a parallelogram. Or a parallelogram is double the area of a triangle.
7 0
4 years ago
Mrs.Bakery created 2.5 total liters of a chemical mixture for an experiment. Saline solution accounted for 12.5% of the mixture.
Mkey [24]

Answer:

iidkStep-by-step explanation:

3 0
3 years ago
Other questions:
  • 4) The frame is being enlarged to hang on a gallery wall. Using the scale factor of 1in=2.5ft., give the new dimensions of the o
    9·1 answer
  • Least to greatest -1.65/2 -7/80.9 -6/5
    14·1 answer
  • 5/10 is the same as​
    6·2 answers
  • oak school has 9 computers. hill school has 4 computers. how many fewer computers does hill school have than oak school
    10·2 answers
  • What is 25/99 in decimal
    12·2 answers
  • Molly and torry like to eat ice cream sandwiches,. they are a total of 12 ice cream sandwiches all together.
    12·2 answers
  • Combine the like terms to create an equivalent expression:-12-6p-(-2)
    11·2 answers
  • Helllppp! please don’t give me something fake:(
    9·1 answer
  • If bill gates gave everyone in the world his money EQUALLY how much would each person have?
    9·1 answer
  • Find the value of x.<br><br> x = 2<br> x = 3<br> x = 33<br> x = 52
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!