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Andrej [43]
3 years ago
5

Hi. I need help with this question.( See image for question).Please show working.​

Mathematics
1 answer:
devlian [24]3 years ago
3 0

Answer:

the least value is in the vertex

at the point ( 2/3 , 14/3)

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Rearrange the formula to make b the subject a = √((b) /4 )-2
seropon [69]

Answer:

A=12

Step-by-step explanation:

So if your equation is carrat over b you have to find 4 and -2 first then find your substitute

6 0
2 years ago
Are the following lines parallel, perpendicular, or neither?
natta225 [31]

Answer:

Perpendicular

Step-by-step explanation:

Parallel lines mean lines that have same slope but since both equations have different slopes which you can check by looking at m-value in y = mx + b. In this case m1 or first slope is -4/3 and m2 or second slope is 3/4.

Perpendicular means that both lines are reciprocal to each other. This means the perpendicular condition is or satisfies \displaystyle \large{m_1m_2 = -1 \longrightarrow m_1 = -\frac{1}{m_2} \longrightarrow m_2 = -\frac{1}{m_1}}

We have m1 = -4/3 and m2 = 3/4.

Therefore, -4/3 * 3/4 = -1 thus both lines are perpendicular to each other as it satisfies m1m2 = -1 condition.

8 0
3 years ago
One angle measures 27° more than 2 times another. If the two angles are complementary, find the measures of the angles.
zepelin [54]

Answer:

<em>A. 21°, 69°</em>

Step-by-step explanation:

If you work by process of elimination all you have to do is take 27 away from the bigger degree of the two and see if it is 2x as much as the smaller degree.

Ex.

1. 69°-27°= 42°, which is 2x as many as 21°.

8 0
3 years ago
I need help please please ​
Rudiy27
I think the answer to that is A
6 0
3 years ago
Read 2 more answers
Help Please!!!!!<br><br> Evaluate the expression<br> when n = 4<br> 2n-7
Montano1993 [528]
2•4= 8 8-7= 1
The answer is 1
7 0
3 years ago
Read 2 more answers
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