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
AURORKA [14]
3 years ago
11

What is the value of b so that the equation x^2+bx+5=0 will have x intercepts (-5,0) and (-1,0)

Mathematics
1 answer:
storchak [24]3 years ago
6 0
Plug one intercepts: (-1)^2+(-1)b+5=0
(-5)^2+(-5)b+5=0
simplify: 6-b=0
30-5b=0
solve for b: 6=b
30/5=b
You might be interested in
June has a savings account with an annual simple interest rate of 2.6%. She hopes to gain $6,500 in interest over a period of el
leonid [27]
\bf \qquad \textit{Simple Interest Earned}\\\\
I = Prt\qquad 
\begin{cases}
I=\textit{interest earned}\to &\$6500\\
P=\textit{original amount deposited}\\
r=rate\to 2.6\%\to \frac{2.6}{100}\to &0.026\\
t=years\to &3
\end{cases}

she should have invested P, in order to get I = 6500

but she instead invested 17,801, how much more did she need? well, P - 17801

solve for P
7 0
3 years ago
Read 2 more answers
14.
hoa [83]
D
You subtract 5 1/4 (5.25) - 3 3/4 (3.75) = 1 1/2 (1.5)
3 0
2 years ago
Read 2 more answers
Sam is using a microscope to look at the plant specimen. The microscope magnifies the specimen 4 × 10 squared times. If the spec
Natalija [7]
The answer is 120 because 4•10=40 and 40•3=120
3 0
3 years ago
Read 2 more answers
Pls I help I need answers and work shown
WITCHER [35]

0.30 as a fraction is 30/100 = 3/10

0.30 as a percent = 0.30 * 100 = 30%

 answer is D. 3/10 and 30%

4 0
3 years ago
Read 2 more answers
Please help solve all of these-
lana [24]

Answer:

3−y

2. 8

4.​​2​bh

Step-by-step explanation:

5(2x+y)=15

2 Divide both sides by 55.

2x+y=\frac{15}{5}2x+y=

​5

​

​15

​​

3 Simplify  \frac{15}{5}

​5

​

​15

​​   to  33.

2x+y=32x+y=3

4 Subtract yy from both sides.

2x=3-y2x=3−y

5 Divide both sides by 22.

x=\frac{3-y}{2}x=

​2

​

1. ​3−y

​​ 2. 8

2.Add 2y2y to both sides.

x=-8+2yx=−8+2y

2 Regroup terms.

x=2y-8x=2y−8

7 0
2 years ago
Other questions:
  • Alcatuieste enunturi cu urmatoarele ortograme:sa/s-a,sau/s-au,intr-o,dintr-o,intr-un,dintr-un
    10·1 answer
  • Find the probability of getting exactly 8 girls in 10 births
    13·1 answer
  • Johns weight exceeds 100 lbs. by x. Johns weight would be represented my
    10·2 answers
  • What are the zeros of the quadratic function f(x) = 2x2 + 16x – 9?
    6·1 answer
  • Point U is on line segment <br> TV<br> . Given TV=8 TU=2, determine the length uv<br> .
    9·1 answer
  • Whats the answer to the problem in the picture
    13·1 answer
  • Which expression is equivalent to 60 Σ n=1 (2n − 1)2 ? Check all that apply.
    13·2 answers
  • Is the graph increasing, decreasing, or constant?
    13·1 answer
  • Hey Guys!
    11·2 answers
  • Answer the following about estimating 557/6.
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!