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Akimi4 [234]
3 years ago
13

Given a= -3, b= 4, and c= -5, evaluate a + b + c

Mathematics
1 answer:
SVETLANKA909090 [29]3 years ago
8 0

Answer:the answer is -4 -3+4=1 1+(-5)=-4

Step-by-step explanation:

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153

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What is the scale factor used to create the dilation?
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.5 or 1/2 because when you divide each side by 2 you get the equivalent to the length of that certain side

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Which of the following coordinate points is the point of intersection of these two lines? y - 6x = -4 and y - 2x = 8
Nimfa-mama [501]

Answer:

(x,y)=(3,14)

Step-by-step explanation:

y-6x=-4 , y=-4+6x

y-2x=8, y=8+2x

(y=)-4+6x=8+2x

6x-2x=8+4

4x=12

x=12/4

x=3, then

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(x,y)=(3,14)

7 0
4 years ago
For each of the following integrals, indicate whether integration by substitution or integration by parts is more appropriate, o
Andrei [34K]

Answer:

a. ∫ xSinx dx

iii. integration by parts

u =x and dv= sinx

b. ∫ x⁴/(1+x³). dx  

ii. neither

Long division is an option here before integration is done

c. ∫ x⁴. e^x³. dx

i. substitution

where u = x⁵

d. ∫x⁴ cos(x⁵). dx

i. substitution

where u = x⁵

e. ∫1/√9x+1 .dx

i. substitution

where u = 9x+1

6 0
3 years ago
Find the equation of the median from b in ABC whose vertices are (1,5), B(5,3) and C(-3, -2)
Soloha48 [4]

Answer:

y = x + 6

x = 1

y = ¼(x - 5) + 3

Step-by-step explanation:

Vetices are;

A(1,5), B(5,3) and C(-3, -2)

Thus;

Median of AB is; D = (1 + 5)/2, (5 + 3)/2

D = (3, 4)

Median of BC is; E = (5 + (-3))/2, (3 + (-2))/2

E = (1, 0.5)

Median of AC is; F ; (-3 + 1)/2, (-2 + 5)/2

F = (-1, 1.5)

Thus, the median lines will be;

CD, AE & BF.

Thus;

Equation of CD is;

(y - (-3))/(x - (-2)) = (-2 - 4))/(-3 - 3)

(y + 4)/(x + 2) = -6/-6

y - 4 = 1(x + 2)

y = 4 + x + 2

y = x + 6

Equation of AE;

(y - 5)/(x - 1) = (0.5 - 5)/(1 - 1)

(y - 5)/(x - 1) = -4.5/0

Cross multiply to get;

0(y - 5) = -4.5(x - 1)

-4.5x = -4.5

x = 1

Equation of BF;

(y - 3)/(x - 5) = (1.5 - 3)/(-1 - 5)

(y - 3)/(x - 5) = -1.5/-6

(y - 3)/(x - 5) = 1/4

y - 3 = ¼(x - 5)

y = ¼(x - 5) + 3

7 0
3 years ago
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