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3 years ago

How much is 4 fifths ×2 8th

Mathematics

2 answers:

Zarrin [17]3 years ago

6 0

4/5 x 2/8 = 0.2 or 8/40 = 4/20 = 2/10 = 1/5

konstantin123 [22]3 years ago

4 0

0.2 or 1 fifth is the answer because when you multiply a fraction by a fraction gives you a fraction.

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Which line has an equation of y=-5x+4 in slope-intercept form?

Lady bird [3.3K]

<span>D: a line passing through the points (2, –6) and (4, –16)</span>

4 0

2 years ago

Solve the following system of equations. What is one x-value of a solution?

gulaghasi [49]

Answer:

There is some mistake in the question, because the solutions are x = -1.445 and x = -34.555

Step-by-step explanation:

Given the functions:

f(x) = x² + 4x + 10

g(x) = -32x - 40

we want to find the points at which f(x) = g(x).

x² + 4x + 10 = -32x - 40

x² + 4x + 10 + 32x + 40 = 0

x² + 36x + 50 = 0

Using quadratic formula:

$x = \frac{-b \pm \sqrt{b^2-4(a)(c)}}{2(a)}$

$x = \frac{-36 \pm \sqrt{36^2-4(1)(50)}}{2(1)}$

$x = \frac{-36 \pm 33.11}{2}$

$x_1 = \frac{-36 + 33.11}{2}$

$x_1 = -1.445$

$x_2 = \frac{-36 - 33.11}{2}$

$x_2 = -34.555$

5 0

3 years ago

Right two equal fractions 2/3

saveliy_v [14]

Two equal fractions would be 4/6 and 6/9.

8 0

2 years ago

Which one would it be?

Leni [432]

C is the answer.
in the original function, when x=0, y=-1
in the new function, to make y=-1, x+3=0, x=-3. From the original 0 to -3 is a shift of 3 units to the left.

6 0

3 years ago

A function has x-intercept 3 and y-intercept 2. Which of the functions below could be this function?

Sergeeva-Olga [200]

we are given

x-intercept is 3

so,

a=3

y-intercept is 2

b=2

now, we can intercept formula of line

$\frac{x}{a} +\frac{y}{b}=1$

now, we can plug

a=3 and b=2

$\frac{x}{3} +\frac{y}{2}=1$

now, we will get rid of denominators

so, we can multiply both sides by 6

$6*\frac{x}{3} +6*\frac{y}{2}=6*1$

$2x +3y=6$

we can also write it as

$3y-6=-2x$

so, option-D..................Answer

3 0

3 years ago