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Leona [35]
2 years ago
12

What is the solution X^2-4x=-1 ?

Mathematics
2 answers:
kolbaska11 [484]2 years ago
6 0

Answer:

x (x-4)

Step-by-step explanation:

aliya0001 [1]2 years ago
5 0

Answer:

Factor x2−4x

x2−4x

=x(x−4)

Answer:

x(x−4)

Step-by-step explanation:

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Could someone please help me with the question please
VladimirAG [237]

Answer:

parallel

Step-by-step explanation:

parallel lines are straight lines and never meet if you carried them on. Perpendicular lines meet at a right angle, so those lines are parallel. :)

5 0
2 years ago
for her book club, Sharon reads for 45 minutes each day. write an expression for the number of hours she reads in d days
Dafna1 [17]
N=(3/4)*h*d

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

n=Number of hours she reads

h=Hour(s)

d=Days

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

You see, with this formula - when d=2,

n=(3/4)*h*2=(6/4)*h=(3/2)*h=1.5 hours

So, in the space of 2 days, she had spent 1.5 hours reading.
5 0
2 years ago
Read 2 more answers
Decide whether the triangles are similar. If so, determine the appropriate expression to solve for
astraxan [27]

Answer:

ΔABC ~ ΔEDF; x = r × w/z

Step-by-step explanation:

m∠ABC = 180 -47 - 62 =71 = m∠EDF

ΔABC ~ ΔEDF

w/z = x/r

x = r × w/z

6 0
3 years ago
Read 2 more answers
Find the distance between the points. (Round your answer to two decimal places. (9.7, - 2.8), (- 3.2, 8.8)
Dmitry [639]

Answer:

Rounding it to two decimal places, we get distance, d=17.35

Step-by-step explanation:

Given:

The two points are (9.7, -2.8)\textrm{ and }(-3.2, 8.8)

The distance between the two points can be obtained using the distance formula which is given as:

d=\sqrt{(x_{2}-x_{1})^2+(y_{2}-y_{1})^2}

Here, for the points, (9.7, -2.8)\textrm{ and }(-3.2, 8.8)

x_{1}=9.7,x_{2}=-3.2,y_{1}=-2.8,y_{2}=8.8

Therefore, the distance between the points is:

d=\sqrt{(-3.2-9.7)^2+(8.8-(-2.8))^2}\\d=\sqrt{(-12.9)^2+(8.8+2.8)^2}\\d=\sqrt{(12.9)^2+(11.6)^2}\\d=\sqrt{166.41+134.56}\\d=\sqrt{300.97}=17.348

Rounding it to two decimal places, we get d=17.35

7 0
3 years ago
There are (4^9)^5 ⋅ 4^0 books at the library. What is the total number of books at the library?
seraphim [82]
Do (4^9)^5 first, when an exponent is in a parenthesis with another exponent outside, you multiply them which makes 4^45. Then we multiply 4^0 but this time we add the exponent because there’s no parentheses, which gives you 4^45.
8 0
3 years ago
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