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RoseWind [281]
2 years ago
12

What should be the b-value in the equation shown below if the equation is a perfect square trinomial?

Mathematics
1 answer:
masha68 [24]2 years ago
4 0

Answer:

B=10

Step-by-step explanation:

It's a perfect square of equation ax²+2abx+b²

I'm the given equation a is 1 and b is 5 so 2(a)(b)=2(1)(5)=10

(ps: when I say b in the explanation I mean another b not the one in question as to not be confused)

You might be interested in
The mean length of 6 childrens' big finger is 6.7cm.
yaroslaw [1]

Answer:

New mean length of these 17 people=11.62

Step-by-step explanation:

<em>Step 1: Determine the total length of children's fingers</em>

L=l×n

where;

L=total length (cm)

l=mean length (cm)

n=number of children

replacing;

L=6.7×6=40.2 cm

The total children's fingers length=40.2 cm

<em>Step 2: Determine the total length of adults fingers</em>

total length of adults fingers=mean length of adults fingers×number of adults

where;

mean length of adults=14.3

number of adults=11

replacing;

total length of adults fingers=(14.3×11)=157.3 cm

<em>Step 3: Determine the new mean length</em>

new mean length=total length of adults and children fingers/number of adults and children

where;

total length of adults and children fingers=157.3+40.2=197.5 cm

number of adults and children=11+6=17

replacing;

new mean length=197.5/17=11.62

7 0
3 years ago
How many does it means subtract or add
Elza [17]
It depends on the question, but if the question is, how many is there....
It usually means to <u><em>add</em></u>

(What is the question anyway?)

7 0
3 years ago
Read 2 more answers
Please help me with this question please clarify what you're saying thank you
Nimfa-mama [501]
To find the circumference of this circle, you need to use the formula C=2(3.14)r
which means circumference=2 times pi times the radius so, you would multiply 2.8(the radius of your circle) times 2. Then you would multiply that times 3.14(pi rounded to the nearest hundredth). And there u go. U have ur answer.

C=2(2.8)(3.14)
C= 5.6(3.14)
C=17.584
C=17.58 feet
7 0
3 years ago
Please help I really need an answer anything would help! :)
Romashka-Z-Leto [24]

Answer:     lise will play 2 times deanna will play 4 times                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        

 

Step-by-step explanation:

6 0
3 years ago
Simplify the expression. Show your work. 22 + (3^2 – 4^2)
irga5000 [103]
<span>22 + (3^2 – 4^2)
= </span><span>22 + (9 – 16)
</span><span>= 22 -7
= 15</span>
6 0
3 years ago
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