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quester [9]
3 years ago
7

Tony brought 3 packs of pencils for $4 each and a pencil box for $7. Mario bought 4 binders for $6 each and used a coupon for $6

off. Write and evaluate expressions to find who spent more money.
Mathematics
2 answers:
ladessa [460]3 years ago
7 0
Tony- 3•4+7=$19
Mario- 6•4-6=$18
Tony spent more.
Leona [35]3 years ago
4 0

Answer:

Tony spent more money.

Step-by-step explanation:

For tony,

The total packs of pencil = 3,

Price of each pack = $ 4,

So, the total amount spent by him/her on packs of pencil = 3 × 4

The price of the pencil box bought by him/her = $ 7,

So, his/her spending = 3 × 4 + 7 = 12 + 7 = 19

For Mario,

Number of binders = 4,

Price of each binder = $ 6,

So, the total cost of binders = 4 × 6

After getting a coupon of $ 6 off,

His/her total spending = 4 × 6 - 6 = 24 - 6 = 18

∵ 19 > 18

Hence, Tony spent more money.

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NEED IT ASAP What is the value of x in the diagram below? A.18/ ROOT 3 B.18 ROOT 2/ROOT 3 C.18 ROOT 3/ ROOT 2 D. 18 ROOT 2
Ostrovityanka [42]

Answer:

x = B. 18 ROOT 2/ROOT 3

Step-by-step explanation:

There are two Triangles in the diagram above.

Step 1

We would solve for Triangle A First

Using Trigonometric function Cosine

cos θ = adjacent /hypotenuse

θ = 30°

Adjacent = 9 units

Hypotenuse = unknown

cos 30= 9/ Hypothenuse

Cross Multiply

cos 30 × Hypotenuse = 9

Hypotenuse = 9 / cos 30

cos 30 in surd form = √3/2

Hypotenuse = 9/√3/2

Hypotenuse = 9 × 2/√3

= 18/√3 units

Step 2

We would solve for the upper triangle = Triangle B

We are looking for x

θ = 45°

For Triangle B, the Hypotenuse we solved for in Triangle A is equivalent to the adjacent in Triangle B

Therefore ,

Hypotenuse for Triangle A = Adjacent side for Triangle B

θ = 45°

Adjacent = 18/√3 units

Hypotenuse = x = unknown

We would solve for this using Trigonometric function cosine

cos 45 = 18/√3 units / Hypothenuse

Cross Multiply

cos 45 × Hypotenuse = 18/√3 units

Hypotenuse = 18/√3 units / cos 45

cos 45 in surd form = 1/√2

Subtituting, we have

Hypotenuse (x) = 18/√3 units / 1/√2

Hypotenuse (x) = 18/√3 units ×√2/1

= 18× √2/ √3 units

= 18 √2/√3 units

Therefore x = Option B. 18 ROOT 2/ROOT 3

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GREYUIT [131]

Answer:-1 as said in the bottom of the equation

Step-by-step explanation: it is at the bottom of the equation if wrong sorry.

3 0
3 years ago
Can anyone help me with my homework?
Evgesh-ka [11]

I want more points next time....Hehehee!

<h2><u>______________________</u></h2>

<em>Solution in attachments!</em>

6 0
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Answer:

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Step-by-step explanation:

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