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
lyudmila [28]
3 years ago
15

Find x if ƒ(x) = 2x + 7 and ƒ(x) = -1.

Mathematics
2 answers:
Oksi-84 [34.3K]3 years ago
3 0
The answer to this is x= -4

Lelechka [254]3 years ago
3 0
Set them equal to each other

2x + 7 = -1
-7 -7
2x = -8
x = -4
You might be interested in
Follow these steps using the algebra tiles to solve the equation −5x + (−2) = −2x + 4. 1. Add 5 positive x-tiles to both sides a
Damm [24]

Answer:

Divide 288 by 2

You get 144

Next, Sandy needs 3 equal piles, so divide 144 by 3

You get 48.

There needs to be 48 of each color, including green

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What is 29 2/19 plus 5 1/2?
boyakko [2]
29 2/19 + 5 1/2 = 29 4/38 + 5 14/38 = 34 18/38 = 34 9/19
7 0
3 years ago
2/3 x 21=? find the product then write it in simplest form.
Nadusha1986 [10]
The product of 2/3 X 21 is 14 and that is in simplest form 
5 0
3 years ago
a regular pentagon-based pyramid has 5 faces which are equilateral triangles the perimeter of it's net is 70cm what is the perim
netineya [11]

Answer:

35cm

Step-by-step explanation:

The net of a regular pentagon has 10 sides.

Since each of the faces are equilateral triangles, the side lengths are equal.

Therefore:

Length of each side of the net = 70/10 =7cm

Therefore, the base is a regular pentagon of side length 7cm.

The perimeter of the base of the pyramid = 5 X 7

=35cm

The perimeter of the base of the pyramid is 35cm.

3 0
3 years ago
C) does An altitude<br> Intersects the opposite side?
lora16 [44]

Answer:

An altitude of any triangle is a line from a vertex that intersects the opposite side at the right-angled vertex.

Therefore yes it does intersect the opposite side.

7 0
3 years ago
Other questions:
  • Mary mixes white paint and blue paint in the ratio 2:3 . She makes a total of 20 litres of paint. How much more blue paint does
    10·1 answer
  • Please, can you check my answers. Thanks.
    5·2 answers
  • 14.8 ounces, 15.5 ounces, 14.6 ounces, and 15.4 ounces. Estimate the total weight of the four packages.
    11·2 answers
  • What is the circumference of the following circle?<br> r=5<br> units
    11·2 answers
  • What is the value of 5^3i^9
    14·1 answer
  • How full of water is the glass?<br><br> 2/3<br><br> 1/3<br><br> 2/1<br><br> 1/2
    14·1 answer
  • Write each equation in standard form:<br> a<br> 6y=–3x–9
    10·2 answers
  • Solve for x<br> 1(x-2) = -5.5
    14·2 answers
  • One-half of a cake is divided equally among 4 people at a party. What<br> fraction of the cake
    14·2 answers
  • PLEASE HELP I WILL GIVE BRAINLIEST
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!