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Illusion [34]
3 years ago
5

Which of these are NOT expressions? x 1=z x=1 1 x+z

Mathematics
2 answers:
Mkey [24]3 years ago
6 0

Answer:

1, x=1 , 1=z , x

Step-by-step explanation:

Varvara68 [4.7K]3 years ago
4 0
An expression is an equation WITHOUT the equal sign so for example 3x-4n or 99x/2
Whereas, an equation DOES have an equal sign ( just remember "equa" is equal)
So, 1=z and x=1 aren't expressions
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A truck is 250 inches long. A car is 35% shorter than the truck. How long is the car
drek231 [11]

Answer:

87.5 inches long

Step-by-step explanation:

250 x 0.35 = 87.5

3 0
3 years ago
Read 2 more answers
What's the center of a circle whose equation is (x – 14)2 + (y + 21)2 = 64?
kvasek [131]

Answer:

The center of the circle is:

  • \left(a,\:b\right)=\left(14,\:-21\right)

Thus, option (2) is true.

Step-by-step explanation:

The circle equation is given by

\left(x-a\right)^2+\left(y-b\right)^2=r^2

here,

  • r =  raduis
  • center = (a, b)

Given the equation

\left(x-14\right)^2+\left(y+21\right)^2=64

\mathrm{Rewrite}\:\left(x-14\right)^2+\left(y+21\right)^2=64\:\mathrm{in\:the\:form\:of\:the\:standard\:circle\:equation}

\left(x-14\right)^2+\left(y-\left(-21\right)\right)^2=8^2

comparing with the circle equation

\left(x-a\right)^2+\left(y-b\right)^2=r^2

Therefore, the center of the circle is:

  • \left(a,\:b\right)=\left(14,\:-21\right)

Thus, option (2) is true.

7 0
2 years ago
1 is 25% of what number
lbvjy [14]

Answer:

4

25x4=100%

1x4=4

4 0
3 years ago
Read 2 more answers
Emily lived in a blue house for 4.5 years. Then she lived in a yellow house for 3.6 years. How many years did Emily live in the
ikadub [295]
You add 3.6 plus 4.5 and you get 8.1 years
8 0
3 years ago
Read 2 more answers
Bailey has an hour to get ready for school. She spends 3/6 of the time getting dressed. She spends 1/4 of that time eating break
Katen [24]
Well, to find out whether she spent more time getting dressed or eating breakfast, we simply have to compare the fractions of the hour that she took on each.
We know that she took 3/6 of an hour to get dressed and 1/4 of an hour to eat breakfast. To find out which activity she spent more time on, we simply need to see which fraction is bigger.
To do this, we must first reduce the fractions to lowest terms. 1/4 is already in lowest terms, so we can leave that alone. 3/6 can be reduced, however, and since 3 goes into 6 twice, it reduces to 1/2.
Now, we can compare the fractions.
Is 1/2 of an hour or 1/4 of an hour more?
The answer is 1/2, so now we know that Bailey spent more time getting dressed than eating breakfast.
Hope that helped! =)
6 0
3 years ago
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