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3 years ago

9 x (6+7)(6+7) pls help

Mathematics

2 answers:

belka [17]3 years ago

7 0

The ANWER is 1521x

sveticcg [70]3 years ago

6 0

Answer:

9 × (6+7) (6+7)

13 + 13 =26

9 × 26 = 234?.

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Hiii anyone see how the grammys played bts anyway i need help with my math imma add the pic here

guajiro [1.7K]

Answer:

1. C, 2. C, 3. i'm not sure sorry, 4. D (5,-5), E (2,-7), F (6,-1), G (10,-8)

Step-by-step explanation:

1. if you pick one of the points just move that one point up three and right three and see which one matches. you could also just eliminate the ones that don't work, the problem said nothing about rotating the polygon so we know its not A, it said move it up so we know it's not B and it said to the right so we know it's not D.

2. we know this one is C because (2,-1) when you move the vertices right and down (2 right, 3 down) it gives you (4,-4) and C is the only one to have that option for the vertices A.

3. N/A

4. for this one all you had to do was take each of the coordinates (separately) and add 4 to the first one and -5 to the second one.

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3 years ago

Determine the coordinates of the vertex for each quadratic function and whether the parabola has a maximum or minimum. 4. y = x²

GREYUIT [131]

Answer:

minimum, coordinates of vertex: (-3,-11)

explanation:

$\sf y =x^2 +6x-2$

x coordinates on vertex:

solving steps:

$\sf \dfrac{-b}{2a}$

$\sf \dfrac{-6}{2(1)}$

$\sf -3$

Find y-coordinate on vertex:

$\sf y =x^2 +6x-2$

$\sf y =(-3)^2 +6(-3)-2$

$\sf y =-11$

$\mathrm{If}\:a < 0,\:\mathrm{then\:the\:vertex\:is\:a\:maximum\:value}$

$\mathrm{If}\:a > 0,\:\mathrm{then\:the\:vertex\:is\:a\:minimum\:value}$

coordinates: (-3,-11) thus minimum

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3 years ago

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Change the following into an ordinary decimal number: 9.203 x 10 (to the power of) 6

Brilliant_brown [7]

Okay well since it is posivtive moe the decimal to the right the amount of times the power is. 9.203*10^6 ANSWER: 9,203,000

7 0

3 years ago

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A box dimensions of 19 inches long, 17 feet wide, and 6 inches high. What is the volume of the box?

Whitepunk [10]

The volume of your box is 19 times 17 times 6. You will get 1938 in. cubed.

4 0

3 years ago

Imagine that yourfriend missed the lesson on how to solve a system of equations using the substitution method. You want to help

Lana71 [14]

A system of equations is a collection of two or more equations with the same variables. When solving this system, u need to find the unknown variables. One way of solving a system of equations is by substitution.

example :

2x + 2y = 6 (equation 1)
3x + y = 4 (equation 2)

we need to pick a variable and isolate it. The easiest one to pick since it is already by itself is the y in the second equation.
3x + y = 4.....subtract 3x from both sides
y = -3x + 4

now we can sub -3x + 4 in for y in the 1st equation...u have to make sure u sub it back into the 1st equation and not the same equation u used to find it.

2x + 2y = 6.....sub in -3x + 4 in for y and solve for x
2x + 2(-3x + 4) = 6...distribute thru the parenthesis
2x - 6x + 8 = 6...subtract 12 from both sides
2x - 6x = 6 - 8...simplify
-4x = -2...divide both sides by -4
x = -2/-4
x = 1/2

now that we have a numerical number for x, u can sub this back into either of ur equations to find a numerical answer for y.

y = -3x + 4...when x = 1/2
y = -3(1/2) + 4
y = -3/2 + 4
y = -3/2 + 8/2
y = 5/2

so ur solution is : (1/2,5/2) <===

and u can check ur answers by subbing them into ur equations to see if they satisfy both equations...because for it to be a solution to this system, it has to satisfy both equations and not just one of them

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3 years ago