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
Ghella [55]
3 years ago
13

Help needed, much appreciated

Mathematics
2 answers:
boyakko [2]3 years ago
8 0

Answer:

7

Step-by-step explanation:

4 x -2 + 3 x 5 = 7

Iteru [2.4K]3 years ago
7 0
You want to substitute the given variables with the one given so you would get 4(-2)+3(5) once you do that you multiply giving you -8+15 after that you add that giving you 7
You might be interested in
A farmer wants to estimate the average growth in height of his corn plants over a two week period
Cloud [144]

Answer:How much does he usually grow ?

Step-by-step explanation:

8 0
3 years ago
I need a specific explanation of how to answer this
zimovet [89]
A rectangle has two dimensions, width and length, and the area of it is their product.

since we know its area is 3x²-11x-4, then the two factors from that trinomial are the likely width and length, namely (3x + 1) (x - 4).

you can check them with FOIL.
5 0
3 years ago
A skateboarding ramp is 12 in. high and rises at an angle of 21​°. How long is the base of the​ ramp? Round to the nearest inch.
bagirrra123 [75]

Answer:

the base of the ramp is 31 inches long.

Step-by-step explanation:

c = a/sin(α)

= 33.48514

b = √c2 - a2

= √33.4851373155042 - 122

= √977.25442103816

= 31.26107

3 0
2 years ago
The principal of a middle school claims that test scores of the seventh-graders at his school vary less than the test scores of
AveGali [126]

Answer:

There is sufficient evidence to support the claim that the standard deviation is less than 14.7.

Step-by-step explanation:

From the question we are told that that the null hypothesis is

       H_o  :  \sigma < 14.7

Now given from the question that this null hypothesis was rejected, it mean, in non technical term that there is sufficient evidence to support the claim that the standard deviation is less than 14.7.

3 0
3 years ago
The transformation that can result in a figure that is NOT congruent to the original is:
ddd [48]
Dilation because the sides will not be the same size as the original
6 0
3 years ago
Read 2 more answers
Other questions:
  • The fuse are building a new home one of the bedroom closet has an area of 48 square feet and a perimeter of 32 ft what are the l
    8·1 answer
  • If nick bought 5 apples for 4.45 what would be the cost for 7 apples
    12·2 answers
  • A recent report shows that 62% of people are interested in black holes. If this number is down from the previous year by 8%, wha
    11·1 answer
  • 3/2 x 3 x 1/5 please help me
    12·1 answer
  • Find the perimeter of the shape below:
    5·2 answers
  • (It's a fraction). 5/2 + 5/7
    10·2 answers
  • I need this nowwww plss
    7·1 answer
  • All real numbers y that are less than -8 and at most 0
    13·1 answer
  • ( X ) -3, 0, 3
    11·1 answer
  • Which is the correct answer​
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!