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Alex777 [14]
3 years ago
13

Pete is 15 years old.This is 6 years younger than his sister Vitoria.Write and solve a subtraction equation to find Victoria’s a

ge.
Mathematics
2 answers:
oee [108]3 years ago
7 0

Answer:

well 15 + 6 is 21 vitoria is 21

Step-by-step explanation:

Therfore 21- 6 = 15

katen-ka-za [31]3 years ago
6 0

Answer:

21 - 15 = 6   or   21 - 6 = 15

Step-by-step explanation:

Pete is 15 years old. So, in order to find Victoria's age you would add the number of years Victoria is younger than Pete, which we know is 6. To find your answer you'd add 6 to 15 which equals 21. Now that you have your answer, you flip the equation 21 - 15 = 6  or  21 - 6 = 15

I hope this helps!

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Mr browner has 7 keys, one for his home 2 for his car and the rest are for his drawers in his office. if he picks up 1 without l
pickupchik [31]

Answer:

2/7

Step-by-step explanation:

Because there are a total of 7 keys and he has 2 for his car so 2/7.

:DDDDD

7 0
3 years ago
Read 2 more answers
21. In the figure given below, AC is parallel to DE. Find the valuesof xy and z and hence find the 2DBE.
algol13

Answer:

X= 50°

Y= 70°

Z= 30°

BDE= 30°

2BDE= 60°

Step-by-step explanation:

(2x -70 )+z+(2x+20)=180...(sum of angle on a straight line)

2x -70 = BDE... alternate angles

Y + (2x-70)+(50+x-20) = 180...(sum of angles in a triangle)

X-20 = z ... alternate and opposite angles

(2x -70 )+z+(2x-+20)=180

2x-70 + x-20 +2x +20= 180

5x -70= 180

5x = 250

X= 50°

X-20 = z

50-20= z

30° = z

2x -70 = BDE

2(50) -70 = BDE

100-70 = BDE

30°= BDE

Y + (2x-70)+(50+x-20)

Y + 100-70 +50 +50 -20 = 180

Y + 200-90=180

Y= 70°

2BDE = 2*30

2BDE= 60°

8 0
3 years ago
How do I find 60% of £500?
MA_775_DIABLO [31]

Answer: 300

Step-by-step explanation:

60% = 60/100

500 x 60/100 = 300

8 0
3 years ago
Read 2 more answers
I need help with my math
kherson [118]

Answer:

Ok what is the problem

Step-by-step explanation:

8 0
3 years ago
Let g(x)= -3x and h(x) x^2+3 Find (g°h)(0)
raketka [301]
<h3>Answer is   -9</h3>

=================================

Work Shown:

(g°h)(x) is the same as g(h(x))

So, (g°h)(0) = g(h(0))

Effectively h(x) is the input to g(x). Let's first find h(0)

h(x) = x^2+3

h(0) = 0^2+3

h(0) = 3

So g(h(x)) becomes g(h(0)) after we replace x with 0, then it updates to g(3) when we replace h(0) with 3.

Now let's find g(3)

g(x) = -3x

g(3) = -3*3

g(3) = -9

-------

alternatively, you can plug h(x) algebraically into the g(x) function

g(x) = -3x

g( h(x) ) = -3*( h(x) ) ... replace all x terms with h(x)

g( h(x) ) = -3*(x^2 + 3) ... replace h(x) on right side with x^2+3

g( h(x) ) = -3x^2 - 9

Next we can plug in x = 0

g( h(0) )  = -3(0)^2 - 9

g( h(0) ) = -9

we get the same result.

7 0
3 years ago
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