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ki77a [65]
3 years ago
7

I will buy a drum set if and only if I save my allowance. Determine the conditions that make the biconditional true. A. It is tr

ue if I buy a drum set and I save my allowance. It is true if I buy a drum set and I don’t save my allowance. B. It is true if I don't buy a drum set and I save my allowance. It is true if I don’t buy a drum set and I don't save my allowance.. C. It is true if I buy a drum set and I don’t save my allowance. It is true if I don’t buy a drum set and I don’t save my allowance. D. It is true if I buy a drum set and I save my allowance. It is true if I don’t buy a drum set and I don’t save my allowance.
Mathematics
1 answer:
MAXImum [283]3 years ago
8 0
D, because you can only buy a drum set if you save your allowance and you cannot buy a drum set if you don't save your allowance
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The bar graph below shows the attendance at school dances. The ticket per price for each dance is $5 per student. Which two danc
topjm [15]

It's B because all the students that attended added together is 320 and 37.5 of 320 is 120

6 0
3 years ago
Solve the problem by multiplying first. A clothing store is having a sale on shirts and jeans. Four shirts and two pairs of jean
ella [17]

We will solve this by suing simultaneous equations,

⇒ 5s + 3j = 87

    4s + 2j = 64

Multiply the first equation with 4 and the second one with 5, this is to get one of the values equal so that we can cancel them out,

⇒ (5s + 3j = 87) × 4

    (4s + 2j = 64) × 5

∴ ⇒ 20s + 12j = 348

       20s + 10j = 320

Subtract both the equations. This is how your result (after subtraction) should look like,

  ⇒ 2j = 28

∴ ⇒ j = $14

Now replace the value of 'j' in one of the original equations,

⇒ 4s + 2(14) = 64

⇒ 4s + 28 = 64

⇒ 4s = 64 - 28

⇒ 4s = 36

∴ ⇒ s = $9

Therefore, one pair of jeans cost $14 and a shirt costs $9

Hope you understood! Feel free to ask me if you didn't understand a step.

5 0
2 years ago
Find the angles y and x​
Katen [24]

Answer:

x = 67

y = 23.5

Step-by-step explanation:

Sum of angles in a triangle is supplementary,

x + 90 + 23 = 180

x + 113 = 180

x = 180 - 113

x = 67

y = ?

180 - 67 / 2

= 133 / 2

= 66.5

y + 66.5 = 90

y = 90 - 66.5

y = 23.5

3 0
3 years ago
A solution to the system y = 2x 7 and x +y= 5? Why or why not​
andrezito [222]

Answer:

given that, y=2×7

y=14

and

x+y=5

x+14=5

x=5-14

x=9

x not equal to 5

5 0
2 years ago
Neil has 21 pizzas. He serves 3 1/2 pizzas to his family for dinner. What fraction of the pizzas is left?
Ket [755]

Answer:

17 1/2

Step-by-step explanation:

21 - 3 1/2 = 17 1/2

5 0
2 years ago
Read 2 more answers
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