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madreJ [45]
2 years ago
7

* WILL GIVE BRAINIEST*

Mathematics
1 answer:
k0ka [10]2 years ago
3 0

Answer:

B: 280

Step-by-step explanation:

The regression line predicts that when x equals 5:

log_{10}(y) = 2.447

In order to find the value for y, one must simply apply the following logarithmic property:

if : log_{b}(a) = c

then: b^c = a

Applying it to this particular problem:

log_{10}(y) = 2.2447\\10^{2.447}= y\\y=280

Therefore, the regression line predicts y will equal 280 when x equals 5.

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Answer:

2a) quotient

2b) product

3a) addends

3b) factors

4a) bolt, direction

4b)when you move to the left it is negative; when you move to the right it is positive

Step-by-step explanation:

4 0
3 years ago
Find the slope and then write the equation Y=MX+B
timurjin [86]

Answer:

y=2x+15

Step-by-step explanation:

Slope (m) = 20/10 = 2

y-intercept (b) = 15

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3 years ago
Jack bought 4 dozen eggs at $10 per dozen. 6 were broken. what percent of his money goes to waste
nevsk [136]

he paid = 4*10 = $40

48 eggs = $40

so, waste money would be 6/48 * 100 = 12.5%

3 0
3 years ago
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You have 1300 dollars to invest on mugs. Each mug is 2 dollars each after you put the logo you resell it for 7. Find the equatio
VashaNatasha [74]

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2-1300+7m

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2 years ago
Ask Your Teacher The circumference of a sphere was measured to be 90 cm with a possible error of 0.5 cm. (a) Use differentials t
SCORPION-xisa [38]

Answer:  

a)  28,662 cm²  max error

    0,0111     relative error

b) 102,692 cm³  max error

   0,004     relative error

   

Step-by-step explanation:

Length of cicumference is: 90 cm

L = 2*π*r

Applying differentiation on both sides f the equation

dL  =  2*π* dr    ⇒  dr = 0,5 / 2*π

dr =  1/4π

The equation for the volume of the sphere is  

V(s) =  4/3*π*r³     and for the surface area is

S(s) = 4*π*r²

Differentiating

a) dS(s)  =  4*2*π*r* dr    ⇒  where  2*π*r = L = 90

Then    

dS(s)  =  4*90 (1/4*π)

dS(s) = 28.662 cm²   ( Maximum error since dr = (1/4π) is maximum error

For relative error

DS´(s)  =  (90/π) / 4*π*r²

DS´(s)  = 90 / 4*π*(L/2*π)²      ⇒   DS(s)  = 2 /180

DS´(s) = 0,0111 cm²

b) V(s) = 4/3*π*r³

Differentiating we get:

DV(s) =  4*π*r² dr

Maximum error

DV(s) =  4*π*r² ( 1/  4*π*)   ⇒  DV(s) = (90)² / 8*π²

DV(s)  =  102,692 cm³   max error

Relative error

DV´(v) =  (90)² / 8*π²/ 4/3*π*r³

DV´(v) = 1/240

DV´(v) =  0,004

3 0
3 years ago
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