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2 years ago

Anyone know this i need help this is for a final

Mathematics

1 answer:

Nuetrik [128]2 years ago

5 0

For every week that goes on, the tiger’s weight increases by 4 lbs.

(1+4=5, 5+4=9, 9+4=13, 13+4=17)

hopefully this helps, good luck on your final! <3

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Laquita had 5 7/9 yards of fabric. She used 3 2/3 to make a blouse.Write and slove an expresstion to find how much fabric has be

enyata [817]

Answer: $\frac{11}{3}\ yards$

Step-by-step explanation:

Given

Laquita has $5 \frac{7}{9}\ yards$ of fabric i.e.

$\Rightarrow \dfrac{5\times9+7}{9}=\dfrac{45+7}{9}=\dfrac{52}{9}\ yards$

She used $3\ \frac{2}{3}$ yards to make a blouse i.e.

$\Rightarrow \dfrac{3\times 3+2}{3}=\dfrac{11}{3}\ yards$

Left fabric

$\Rightarrow \frac{52}{9}-\frac{11}{3}=\frac{52-33}{9}\\\\\Rightarrow \frac{19}{9}\ yards$

8 0

2 years ago

. Multiply (x + 3)(x – 3).

konstantin123 [22]

X × x = x^2
x × -3 = -3x
3 × x = 3x
3 × -3 = -9

x^2 + 3x - 3x - 9
So I would agree with C because the -3x and the 3x cancel each other out. I hope this helps!

8 0

3 years ago

PLLLLLSSSS Heeeellppp ill mark brainliest I promisseeeeeeee plsssss

WARRIOR [948]

Answer:

$2\,(x-1)^2=4$

which is the first option in the list of possible answers.

Step-by-step explanation:

Recall that the minimum of a parabola generated by a quadratic expression is at the vertex of the parabola, and the formula for the vertex of a quadratic of the general form:

$y=ax^2+bx+c$

is at $x_{vertex}=\frac{-b}{2\,a}$

For our case, where $a=2\,\,, b=-4\,\,,\,\,and \,\,c=-2$ we have:

$x_{vertex}=\frac{-b}{2\,a}\\x_{vertex}=\frac{4}{2\,*\,2}\\x_{vertex}=1$

And when x = 1, the value of "y" is:

$y(x)=2x^2-4x-2\\y(1)=2(1)^2-4(1)-2\\y(1)=2-6\\y(1)=-4\\y_{vertex}=-4$

Recall now that we can write the quadratic in what is called: "vertex form" using the coordinates $(x_{vertex},y_{vertex)$ of the vertex as follows:

$y-y_{vertex}=a\,(x-x_{vertex})^2$

Then, for our case:

$y-(-4)=2\,(x-1)^2\\y=2\,(x-1)^2-4$

Then, for the quadratic equal to zero as requested in the problem, we have:

$y=2\,(x-1)^2-4=0\\2\,(x-1)^2-4=0\\2\,(x-1)^2=4$

5 0

2 years ago

the length of a rectangle is 3 times the width. The perimeter is 44 cm. What are the dimensions of the rectangle?

Gnom [1K]

Hello there
We can say that,
The length = 3u
The width= 1u
3u + 1u +3u +1u= 44cm
8u= 44cm
1u= 44cm / 8
= 5.5cm
Length= 5.5 cm x 3
=16.5 cm
Width= 5.5 cm

Hope this helps :))

~Top

8 0

3 years ago

Read 2 more answers

Brian and Cyril spend a certain amount of money from their money box each month to buy plants.

dimaraw [331]

I feel the answer is function 2 shows a greater rate of change because cyril spends 65 each month and brian spends 18 each month

8 0

2 years ago