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
Artist 52 [7]
3 years ago
5

X2 + 3x + 2 x2 + 2x

Mathematics
1 answer:
Mars2501 [29]3 years ago
7 0

Answer:

x= -2

Step-by-step explanation:

set the two equations equal to each other, and since the x2 cancels out, you're left with 3x+2= 2x, which simplifies to x= -2

You might be interested in
A linear model of this situation contains the values (15, 300.2) and (26, 177.88) where x represents the number of square inches
maw [93]

Answer: Paula starts with 301.5 yarns.

Step-by-step explanation:

Equation of a line passing through two points (a,b) and (c,d) is given by:-

(y-b)=\dfrac{b-d}{a-c}(x-a)

Given: x=  number of square inches knitted on the scarf

y= number of yarns remaining on the ball of yarn

The equation of a line passing through (15, 300.2) and (26, 177.88):

(y-300.2)=\dfrac{26-15}{177.88-300.2}(x-15)\\\\\Rightarrow (y-300.2)=\dfrac{11}{-122.32}(x-15)\\\\\Rightarrow (y-300.2)=\dfrac{11}{-122.32}(x-15)

To find initial point, put x=0

y-300.2=-\dfrac{11}{122.32}(0-15)\\\\\Rightarrow\ y-300.2=\dfrac{375}{278}\\\\\Rightarrow\ y=\dfrac{375}{278}+300.2\\\\\Rightatrrow\ y=301.5  \ \ (approx)

Hence, Paula starts with 301.5 yarns.

5 0
3 years ago
URGENT!!! PLEASE LOOK AT THE PICTURE!!! PLEASE HELP!!!!
Svetllana [295]

Answer:

Step-by-step explanation:

this is a 45-45-90 triangle.  The angle opposite the 45° angle is also 45°.

HI = HJ because this is an isosceles triangle.

Use the cos function to find the length of HJ:

cos Ф = adj / hyp  or  adj = (hyp)(cos Ф).

                                                                                        1

Here we have  adj  = HI = HJ = 4√5 cos 45° = 4√5 · -----

                                                                                       √2, or 4√5 / √2

                                              4√10

This last result simplifies to ----------

                                                   2

or 2√10 (answer)

The length of side HJ and that of HI is 2/√10.

7 0
3 years ago
The sum of five times a number, and 1, is equal to four times the number
larisa86 [58]

Answer:

5x + 1 = 4x

You can really put any letter for "a number":

5n + 1 = 4n

7 0
3 years ago
If f(x) =X +3, what is the value of f(3) and f(-2)?
ss7ja [257]
THIS ANSWER IS FOR f(3):
f(x)=x+3
f(3)=3+3
f(3)=6

THIS ANSWER IS FOR f(-2):
f(x)=x+3
f(-2)=-2+3
f(-2)=1
7 0
3 years ago
If he = 7x -27 find the value of x
Amiraneli [1.4K]

\\ \sf\longmapsto 7x-27=1

\\ \sf\longmapsto 7x=1+27

\\ \sf\longmapsto 7x=28

\\ \sf\longmapsto x=\dfrac{28}{7}

\\ \sf\longmapsto x=4

5 0
3 years ago
Other questions:
  • Mr Tan is 53 years old and his granddaughter is 5 years old in how many years will he be 4 times as old as his granddaughter
    12·1 answer
  • An industrial center produces refrigerator motors, but it has a 0.03 defective rate. What is the probability that the machine pr
    7·1 answer
  • What is the answer to this question
    6·1 answer
  • If ice cream were sold in 1 cup containers how many does she need to buy for her party
    6·1 answer
  • PLEASE HELP ASAP! Thanks!!!!! Explain:
    5·1 answer
  • Simplify the expression using properties of exponents
    9·1 answer
  • Rose has a fish tank in the shape of a rectangular prism. The fish tank has a length of 20 inches and a width of 10 inches Rose
    8·1 answer
  • Find the missing length
    10·1 answer
  • Please help ill give you brainliest
    11·1 answer
  • A gift box in the shape of a
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!