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Anastasy [175]
2 years ago
12

Which property of equality can be used to justify this step?

Mathematics
2 answers:
Aleonysh [2.5K]2 years ago
6 0
C. Addition property of Equality
podryga [215]2 years ago
4 0
C. Addition Property of Equality
because you are adding 10x to both sides
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A bicycle shop sells only bicycles and tricycles. Altogther there are 23 seats and 50 wheels. How many bicycles and tricycles ar
slamgirl [31]

Answer:

The number of bicycles is 19.

and the number of tricycles is 4.

Step-by-step explanation:

As we know that the number of seats in bicycles as well as in tricycles is 1.

The number of wheels in bicycles is 2

and the number of wheels in tricycles is 3.

Let the number of bicycles be x.

and the number of tricycles be y.

Thus using the given information we can make equation as,

x + y = 23

and, 2x + 3y = 50

Solving these two equations:

We get, x = 19 and y = 4

Thus the number of bicycles is 19.

and the number of tricycles is 4.

8 0
3 years ago
How many x intercept appear on the graph of the polynomial function F(x)=x4-5x2
4vir4ik [10]
f(x)=x^4-5x^2\\\\x^4-5x^2=0\\\\x^2(x^2-5)=0\\\\x^2[x^2-(\sqrt5)^2]=0\\\\x^2(x-\sqrt5)(x+\sqrt5)=0\iff x=0\ \vee\ x=\sqrt5\ \vee\ x=-\sqrt5

Answer: 3 x-intercepts.

3 0
3 years ago
Callie solved this one-variable equation. When she was done, she tried to verify her answer, but found that it was wrong. Can yo
Andrews [41]
2(4k+8)=10
8k+16=10 (she said 2k instead of 8k)

To continue solving, subtract 16 from both sides. That would give you 8k= -6. Then divide both sides by 8, and get -6/8 which equals -3/4.
3 0
3 years ago
Read 2 more answers
How do you solve an inequality that has a fraction (with a variable as the nemurator/demoninator
vichka [17]

Answer:

Solving with an equality is just simply the same as solving any algebra equations. If you were given a fraction, then just multiply both sides.

Example:

4 + \frac{x}{2} > 14

Subtract 4 on both sides:

4 - 4 + \frac{x}{2} > 14 - 4

\frac{x}{2} > 10

Now <em>multiply both sides by 2</em>:

\frac{x}{2} × 2 > 10 × 2

x > 20

3 0
3 years ago
Observa los polígonos y completa la siguiente tabla sabiendo que los polígonos son
Flauer [41]

Answer:

sorry i can't understand your language ? please let me in English language ~_~

3 0
2 years ago
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