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
BARSIC [14]
3 years ago
5

Solve: x^2+7x-30=0 Please show all the steps, thank u

Mathematics
1 answer:
vodomira [7]3 years ago
8 0

x^2+7x-30=0 Rewrite the expression.

x^2+10x-3x-30=0 Factor the expressions.

x(x+10)-3 (x+10)=0 Factor the expression.

(x+10)(x-3)=0 Separate into possible cases.

x+10=0

Solve.

x-3=0

x1= -10

x2= 3

You might be interested in
I have a 15ft x 36in (4.57m x 91 cm) pool and the mats i wanna buy are 20.5-in x 20.5-in. How many mats would i need to put unde
yuradex [85]

Answer:

you would need 4 matts

Step-by-step explanation:

4 0
3 years ago
A barometer falls from a weather balloon
8_murik_8 [283]

Answer:

Step-by-step explanation:

h(t) = -16t² + 14400

0= -16t² + 14400

(1/-16)×-14400=-16t²(1/-16)

900=t²

\sqrt{900} =\sqrt{t^{2}}

30=t

7 0
3 years ago
What is the constant in the equation y=2.7x​
kirill [66]

Answer:

The constant is 2.7. This number never changes.

5 0
4 years ago
What is the equation of a line with a slope of 2 and a y intercept of -5?
Elanso [62]

Answer:

y=2x-5

Step-by-step explanation:

The slope is how you move so you could also call it m

The y intercept is where you begin so you could call it b

So every time you need to find the equation or which one is like the slope just remember m=move b= begin

y=mx+b

7 0
3 years ago
6.338 rounded to the nearest thousand
ANTONII [103]

Answer:

6.338

this is the same because thousandths means 3 decimal places and it already has only 3 places, so it is already rounded to the thousandths. Rounded to hundredths place would be 6.34 and tenths would be 6.3.

8 0
3 years ago
Other questions:
  • What is the correct answer for this equation here?<br>3(4x – 7) = 135​
    10·1 answer
  • Todd had 3/4 of an apple left from breakfast. His sister ate 1/8 of what was left. How much of the apple is left?
    5·1 answer
  • Helppppp plz people!!!
    10·1 answer
  • CHECK ANSWERS -
    15·1 answer
  • TJ invested $4000 in a bond at a yearly rate of 2%. He earned $200 in interest. How long was the money invested
    14·1 answer
  • A hotel charges a flat fee of $50 and $5.50 per person for a birthday party. Mike has no more than $100 to spend on a birthday p
    12·1 answer
  • What are the vertex and axis of symmetry of the parabola y = x2 – 16x + 63?
    14·1 answer
  • PLS ANSWER ASAP
    6·1 answer
  • ∆ABC is dilated using a scale factor of 12 to produce ∆A'B'C'.
    13·1 answer
  • HELPP IM FAILING MATH RN!! <br><br> LC is 40°. What is the measure of arc CB?
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!