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3 years ago

Andrea has 18 yards of fabric how many 4 inch pieces can she cut from her original piece

Mathematics

1 answer:

Nikolay [14]3 years ago

5 0

Andrea can cut 4 1/2 (or 4.5) inch pieces from her original piece.

18/4 = 4.5

Hope this helps!

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What are the coordinates of the x and y intercepts of the equation 3x+2x=12

Angelina_Jolie [31]

3(2)+2(3)=12 <<<< is the answer! :)

8 0

3 years ago

ln(y+1)-lny=1+3lnx . Express y in terms of x, in a form not involving logarithms. (4 marks, Maths CIE A level)

Delicious77 [7]

$remember$
$ln(x)=log_e(x)$
$and$
$log_x(a)-log_x(b)= log_x( \frac{a}{b} )$
$and$
$log_a(b)=c$ means $a^c=b$
$and$
$blog(a)=log(a^b)$

$so$

$ln(y+1)-ln(y)=1+3ln(x)$
$ln( \frac{y+1}{y} )=1+ln(x^3)$

$minus$ $ln(x^3)$ $from$ $both$ $sides$

$ln( \frac{y+1}{y}-ln(x^3) )=1$
$ln( \frac{y+1}{yx^3})=1$
$log_e( \frac{y+1}{yx^3})=1$

$translate$

$e^1=\frac{y+1}{yx^3}$
$e=\frac{y+1}{yx^3}$

$times$ $both$ $sides$ $by$ $yx^3$

$eyx^3=y+1$

$minus$ $y$ $from$ $both$ $sides$

$eyx^3-y=1$
$y(ex^3-1)=1$

$divide$ $both$ $sides$ $by$ $(ex³-1)$

$y= \frac{1}{ex^3-1}$

6 0

3 years ago

Read 2 more answers

A ray and a line intersect to form ∠1 and ∠2 as shown below.

Oksi-84 [34.3K]

Answer:

STEP 3

Step-by-step explanation:

Francesca drew point (–2, –10) on the terminal ray of angle , which is in standard position. She found values for the six trigonometric functions using the steps below.

A unit circle is shown. A ray intersects point (negative 2, negative 10) in quadrant 3. Theta is the angle formed by the ray and the x-axis in quadrant 1.

Francesca made her first error in step 3 because the sine, cosine, and tangent ratios are incorrect, which also resulted in incorrect cosecant, secant, and tangent functions.

please mark me brainlyest <i cant spell it >

5 0

2 years ago

There were 400 pieces of candy in all. If 60 pieces were chocolate, then what percent of the candy was chocolate.

Liono4ka [1.6K]

400 --- 100%
60 --- x%

x = 60/400 * 100 = 15% <span>chocolate.</span>

5 0

3 years ago

Question 11-(3 marks available)

klasskru [66]

Answer: 1080 $cm^{2}$

Determine the values of b1, b2, and b3, the sides of the triangular base. Also determine the value of h, the height of the triangular base and l, the length of the prism (the length between the bases).

The sides of the triangular base are:

b1 = 13 in.

b2 = 14 in.

b3 = 15 in.

The triangular base is a right triangle, and so the height is one of our sides. We will use

h = 12 in.

The length of the prism is

l = 20 in.

total surface area = bh + (b1+b2+b3)*l

bh = 12*20 = 240 $cm^{2}$

l * (b1+b2+b3) = 20*(13 + 14+ 15) = 840 $cm^{2}$

TSA = bh + l * (b1 + b2 + b3) = 240 + 840 = 1080 $cm^{2}$

to know more about prism,

brainly.com/question/16128664

5 0

1 year ago