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dalvyx [7]
3 years ago
15

A is equal to b squared plus four. Find a when b is five. ( a= b2 + 4 )

Mathematics
2 answers:
Norma-Jean [14]3 years ago
5 0

Answer:

29

Step-by-step explanation:

5^2 = 5x5

=25+4

=29

aliya0001 [1]3 years ago
5 0

Answer:

29

Step-by-step explanation:

Here, b=5

Now a= b^2+4

= (5)^2+4

=25+4

=29 Ans

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denis23 [38]

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1.9385 kilograms were eaten

5 0
3 years ago
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Figure MNOP is reflected about the x-axis to obtain figure M′N′O′P′:
Elena-2011 [213]

Answer:

1/4

Step-by-step explanation:

The sides go from 4 units to 1 unit so the dilation must be 1/4

3 0
3 years ago
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The ratio of the area of a square of side 15 cm to that of a rectangle, 24 cm long, is 5 : 4 . What is the breadth of the rectan
andrew11 [14]

Answer:

7.5cm

Step-by-step explanation:

15²=225cm²

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45*4=180cm²

180/24=7.5

7.5cm should be your answer. If not, I am sorry.

3 0
3 years ago
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What does a residual value of 4. 5 mean in reference to the line of best fit? The data point is 4. 5 units above the line of bes
Kamila [148]

A line of best fit is a line drawn at average distance to a series of scattered points. Thus, the correct option is:

Option B. The <em>data</em> point is 4. 5 units <u>below</u> the line of best fit.

A graph is said to be formed by plotted points on a <u>Cartesian </u>coordinate plane. When the plotted <em>points</em> are <u>scattered</u>, a <em>line of best fit</em> is required to shoe the relationship among the plotted <em>points</em>.

A <u>residual</u> <u>value</u> is a form of error that is determined from the <em>line of best fit</em>. A <u>line of best fit</u> is a line drawn at <em>average</em> point to a <em>series</em> of plotted <em>scattered</em> points.

Therefore, a residual value of 4.5 with respect to a <em>line of best fit</em> implies that: The data point is 4. 5 units <u>below</u> the <em>line of best fit</em>.

Thus the <em>correct</em> option is B.

Visit: brainly.com/question/1453263

4 0
2 years ago
Which formula can be used to describe the sequence? f(x + 1) = –2f(x) f(x + 1) = -1/2 f(x) f(x + 1) = 1/2f(x) f(x + 1) = 2f(x)
zepelin [54]
The complete question is
<span>-2 2/3, -5 1/3, -10 2/3, -21 1/3, -42 2/3, ... Which formula can be used to describe the sequence?

a. f(x + 1) = –2f(x)
b. f(x + 1) = f(x)
c. f(x + 1) = -f(x)
d. f(x + 1) = 2f(x)

case a) </span>f(x + 1) = –2f(x)
for f(x)=-2 2/3
f(x+1)=-2*[-2 2/3]=5 1/3
5 1/3 is not -5 1/3
therefore
this is not the formula

case b) f(x + 1) = f(x)
for f(x)=-2 2/3
f(x+1)=-2 2/3
-2 2/3 is not -5 1/3
therefore
this is not the formula

case c) f(x + 1) = -f(x)
for f(x)=-2 2/3
f(x+1)=2 2/3
2 2/3 is not -5 1/3
therefore
this is not the formula

case d) f(x + 1) =2f(x)
for f(x)=-2 2/3
f(x+1)=2*[-2 2/3]=-5 1/3

for f(x)=-5 1/3
f(x+1)=2*[-5 1/3]=-10 2/3

for f(x)=-10 2/3
f(x+1)=2*[-10 2/3]=-21 1/3

for f(x)=-21 1/3
f(x+1)=2*[-21 1/3]=-42 2/3

therefore 
the answer is the option
d. f(x + 1) = 2f(x)

9 0
4 years ago
Read 2 more answers
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