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Stels [109]
3 years ago
12

Does anyone know the answer

Mathematics
2 answers:
Bas_tet [7]3 years ago
8 0
T= 1

Step by step:
Combine like terms t+4t
It will be 16-2t=5t+9
It will be -7t=-7
And then divide the answer is 1
kirza4 [7]3 years ago
3 0

Answer:

t = 1

Step-by-step explanation:

16 - 2t = t + 9 + 4t; move numbers and t's

-16           -16        ; subtract 16 from both sides

-2t = 5t -7             ; subtract -5t from both sides

-5t    -5t

--------------

-7t = -7                  ; divide by -7

t = 1

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I need help answering this question
Gekata [30.6K]

ANSWER:

[a] A linear regression line has an equation of the form Y = a + bX, where X is the explanatory variable and Y is the dependent variable. The slope of the line is b, and a is the intercept (the value of y when x = 0).

[b] In the equation of a straight line (when the equation is written as “y = mx + b”), the slope is the number “m” that is multiplied on the x, and “b” is the y-intercept (that is, the point where the line crosses the vertical y-axis). This useful form of the line equation is sensibly named the “Slope-intercepts form”.

NOTE: See picture attached.

7 0
3 years ago
6 ft.<br> 12 ft.<br> 8 ft.<br> The area of this irregular<br> figure is<br> -sq. ft.<br> 16 ft.
nikdorinn [45]

Answer:

When we know all 3 sides, we use Heron's Formula

area = sqrt [s *(s-a) * (s-b) * (s-c)]

where "s" is the semi-perimeter which in this case equals

s = (6 + 8 + 12) / 2   = 13

area = sqrt [13 * 5 * 7 * 1]

area = sqrt 455

area = 21.3307290077

area = 21.33 square feet (rounded)

Step-by-step explanation:

3 0
3 years ago
Find the x and y intercepts for 3x-3y=12
Viktor [21]

\huge \boxed{\sf C}\\\\\\\displaystyle \sf Substituting\ x=0 \\\\3(0)-3y=12\\\\-3y=12\\\\Dividing\ each\ side\ by\ -3 \\\\\frac{-3y}{-3} =\frac{12}{-3} \\\\y=-4 \\\\\\Substituting\ y=0 \\\\3x-3(0)=12\\\\3x=12\\\\Dividing\ each\ side\ by\ 3 \\\\\frac{3x}{3} =\frac{12}{3} \\\\x=4

7 0
1 year ago
Work your brain today y'all!! I had $3.00. My Mom gave me $10.00. My Dad Gave me $30.00. My Aunt &amp; Uncle gave me $100.00. I
bonufazy [111]

Answer:

$10

Step-by-step explanation:

The question made is How much did I have? This question is about the amount of money that you had before receiving the money from your mom, dad and aunt and uncle. This means that the answer is the $3 you had plus the other $7 you said you had. So, $3+$7=$10. You had $10.

8 0
3 years ago
5.Karen is thinking of a number. If she multiplies her number by −3 and then adds 6, she has −4 times the original number. What
alekssr [168]

-3x+6 = -4x

6 = -x

x = -6

check:

-6*-3 = 18 +6 =24

-6*-4 = 24

 number = -6


5 0
3 years ago
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