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3 years ago

2x − y = 11 x + 3y = −5 what is the x value

Mathematics

1 answer:

nekit [7.7K]3 years ago

7 0

your answer is

{x,y}={4,-3}

btw can i have brainliest

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Becca's house is assessed at $157,000 and her property tax rate is 3.3%. How

Solnce55 [7]

Answer:

It would be $5181

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3 years ago

After a pizza party there are 4 2/3 pizzas left over. If the pizzas are divided so that party goers can take home 1/6 of a pizza

Luba_88 [7]

Answer:

26 guests

Step-by-step explanation:

7 0

3 years ago

Thaddeus wants to cover an area around a pond with natural slate stone. If the cost of the slate is $6.50 per square foot, how m

igomit [66]

Answer:

Cost of slate path using π: $980.18 (nearest cent)

Cost of slate path using π = 3.14: $979.68

Step-by-step explanation:

<u>Formula</u>

Area of a circle = πr² (where r is the radius)

First, calculate the area of the slate path by subtracting the area of the pond from the area of the larger circle.

Area of larger circle = π · 8² = 64π ft²

Area of pond (smaller circle) = π · 4² = 16π ft²

⇒ area of slate path = 64π - 16π = 48π ft²

If the cost of the slate is $6.50 per ft² then,

Cost of slate path using π:

⇒ 48π × $6.50 = $980.18 (nearest cent)

Cost of slate path using π = 3.14:

⇒ 48 × 3.14 × $6.50 = $979.68

8 0

2 years ago

Mario is constructing a frame for 10 in. by 8 in. photo. He wants the frame to be the same with all the way around in the same a

Yuri [45]

Answer: 12 in. by 10 in.

Step-by-step explanation:

Given: The dimensions of photo is 10 in. by 8 in.

Therefore, Area of photo= $10\times8=80\ in.^2$

Area of frame with photo=120 square inches

Let x be the width of the frame, then we have

Length of frame with photo= 10+2x inches

Width of frame with photo =8+2x inches

Now, $(10+2x)(8+2x)=120$

$80+16x+20x+4x^2=120\\\Rightarrow\ 4x^2+36x-40=0\\\Rightarrowx^2+9x-10=0\\\(x-1)(x+10)=0\\\Rightarrow\ x=1,...........[text{Since length can not be negative so it cannot be -10}]$

Thus, dimension of frame = $(10+2(1))(8+2(1))=12\ in.\ by\ 10\ in.$

5 0

4 years ago

I just need to figure out the question<br> 4x + 19x = 36 + 12x + 5x

Sloan [31]

Answer: x=6

Step-by-step explanation:

Do 4x+19x and that is 23x

And then do 12x+5x and that is 17x

Now the equation is 23x=36+17x

Now do 23x-17x and you get 6x

Now the equation is 6x=36

And then divide x by 6 and 36 by 6 and you get x=6

6 0

3 years ago

Read 2 more answers