MATHEMATICS HIGH SCHOOL

What value of x makes the equation true?–4.9 = –5.7 + x
a. x = –10.6
b. x = –0.8
c. x = 0.8
d. x = 10.6

Answers

Answer 1
Answer: -4.9=-5.7+0.8
-4.9=-4.9
Answer is C

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A number increased by fifteen is nineteen. A number increased by fifteen is nineteen.

Answers

Answer:

the number is 4

Step-by-step explanation:

we can write this as

x + 15 = 19

now we transpose

x= 19-15

x= 4

Which of the following similarity statements about the traiangles in the figure is true

Answers

the second one I hope I am correct

Find the equation of the line that passes through the point (7,5) and is perpendicular to the line 2x - 3y=6

Answers

(7,5);\ \ \ \ 2x - 3y=6 \ \ / subtract \ 2x \ from \ each \ side \n \n-3y = -2x + 6\ \ / divide \ each \term \ by \ (-3) \n \n y = \frac{2} {3}x -2\n \n The \ slope \ is :m _(1) = ( 2)/(3) \n \n If \ m_(1) \ and \ m _(2) \ are \ the \ gradients \ of \ two \ perpendicular \n \n lines \ we \ have \n\n\ m _(1)*m _(2) = -1

(2)/(3)\cdot m_(2)=-1\ \ / \cdot ((3)/(2))\n\nm_(2)=-(3)/(2)\n\nNow \ your \ equation \ of \ line \ passing \ through \ (7,5) would \ be: \n \n y=m_(2)x+b \n \n5=-(3)/(2)\cdot 7 + b \n \n 5= -(21)/(2)+b\n \nb=5+(21)/(2) \n \nb= (10)/(2)+(21)/(2)\n \nb= (31)/(2)\n\nb=15.5 \n \n y = -(3)/(2)x +15.5

Suppose the expression a(b)n models the approximate number of customers who applied for a credit card every month since a bank opened,where a is the inital number of customers who applied,b is the rate of increase in the number of people who applied every month and n is the number if months since the bank opened. If the expression below models the number of applicants for a credit card,what is the correct interpretation of the second factor?

Answers

Answer:

i need it too

Step-by-step explanation:

Which equation represents the line shown on the ​

Answers

Answer:

A

Step-by-step explanation:

y-int = -2

so the line should cross (0, -2)

Rise over run is 2/5 so go up 2, over 5 and put your dot etc...

A car can travel 247 kilometers on 19 liters of gasoline. how much gasoline will it need to go 429 kilometers?

Answers

find the number of miles per 1 liter:

247 kilometers / 19 liters = 13 kilometers per liter.


Divide how may kilometers they want to go by kilometers per liter:

429 kilometers / 13 kilometers per liter = 33 liters are needed.
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