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
AlexFokin [52]
2 years ago
6

Helllppppppp I can’t figure this out

Mathematics
1 answer:
Burka [1]2 years ago
4 0

Answer:

Step-by-step explanation:

2x^2 + 9x + 4=0

2x^2+8x+x+4=0

2x(x+4) +1 (x+4) =0

2x+1 = 0

x+ 4 =0

2x= -1

x= -1/2

x=-4

Therefore x = -4 and x = -1/2

You might be interested in
Suppose​ you're given a data set that classifies each sample unit into one of four​ categories: A,​ B, C, or D. You plan to crea
Sever21 [200]

Answer:

The data A, B, C and D are Qualitative.

The data remains qualitative even when inputed as 1, 2, 3 and 4  

Step-by-step explanation:

The data consisting of A, B, C and D is Qualitative , reason being that they can only be classified into categories.

Also, when the data is inputed as 1, 2, 3 and 4; the data remains Qualitative because theycannotbemeaningfully addd , subtracted, multiplied or divided.

5 0
3 years ago
Use spherical coordinates. let h be a solid hemisphere of radius 1 whose density at any point is proportional to its distance fr
MA_775_DIABLO [31]
Whereas the density of the hemisphere at any point is proportional to it's density, then 

 The full answer in attachment, we use the partial integral using the <span>spherical coordinates, 

and we find that </span>the mass of h = <span>πK/2</span>

7 0
3 years ago
What is the surface area of a rectangle that is 6, 4, 4?
Alex

Answer:

128 squared feet

Step-by-step explanation:

A=2(wl+hl+hw) is the formula if  you multiply the edges the add then twice because of the 3d shape you get 128.

4 0
4 years ago
Type the correct answer in the box. Round your answer to the nearest hundredth.
HACTEHA [7]

if you add 55% and 45% the total is 100% so 45/100 are girls.  35% of the girls scored and A  so 35/45  is the probability that it is a girl chosen or 7/9. the probability is 7 out of 9.

8 0
3 years ago
A swimming pool had 2.5 liters of water in it. Some water evaporated, and then the pool only had 2 million liters of water in it
djyliett [7]
Hi!

If I have done this correctly, then the answer is:

2 million is 80% of 2.5

That means that 20% of the water evaported.
5 0
3 years ago
Other questions:
  • 4. Lydia cut out her initial from a piece<br><br> of construction paper,
    6·1 answer
  • On a camping trip, people are divided into several groups. Each group needs to fill a 3-quart (3/4 -gallon) jug with water for c
    9·1 answer
  • Find the probability that you will roll an even number exactly 5 times when you:
    12·1 answer
  • Find the missing side lengths. Leave your radicals in simplest form.
    12·2 answers
  • What is 15 3/5 % in simplest form
    12·1 answer
  • What is does consecutive integers to complete the inequality
    14·1 answer
  • PLEASE HELP! I NEED AN ANSWER SOON PLEASE!! WHOEVER ANSWERS FIRST WILLLLLL GET BRAINLIEST!!!!!!!
    7·2 answers
  • How many years would it take to eat 1 billion hamburgers
    7·2 answers
  • What is the equation of a line that passes through the points (–3, 4) and (2, 8)?
    13·1 answer
  • question 10 is: a pen and a pencil cost RM2.40 and RM0.30 respectively. The price of an eraser is one third of the price of the
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!