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3 years ago

Explain please answer

Mathematics

1 answer:

vovikov84 [41]3 years ago

4 0

Answer:

69.08

Step-by-step explanation:

2×3.14=6.28

6.28×11=69.08

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A student brings whole cherry and cheese danishes to his class for his birthday. The number of cherry danishes he brings is at l

LenKa [72]

Let the number cherry Danishes be x

Let the number cheese Danishes be y

Given,

The number of cherry Danishes the student brings is at least 3 more than 2/3 the number of cheese Danishes

x ≥ 3 + (2/3)y

Given,

The number of cherry Danishes the student brings is no more than twice the number of cheese Danishes.

x ≤ 2y

Merging, the two inequalities above,

3 + (2/3)y ≤ x ≤ 2y

3 + (2/3)y ≤ 2y

OR 2y ≥ 3 + (2/3)y

2y – (2/3)y ≥ 3

Multiply both sides by 3

(3 * 2)y – (3 * 2/3)y ≥ 3 * 3

6y – 2y ≥ 9

4y ≥ 9

y ≥ 9/4

Since x ≥ 3 + (2/3)y, and y ≥ 9/4

Then, x ≥ 3 + (2/3 * 9/4)

x ≥ 3 + (2/3 * 9/4)

x ≥ 3 + 3/2

x ≥ 9/2

Since y ≥ 9/4 and x ≥ 9/2

x + y ≥ 9/4 +9/2

x + y ≥ 27/4

x + y ≥ 6.75

x + y represents the total number of Danishes the student brings

x + y ≥ 6.75 means that the total number of Danishes the student brings is 6.75

BUT since the total number of Danishes must be an integer, then that the total number of Danishes the student brings is 6.

3 0

3 years ago

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One question i need help ASAP thanks guys :-)

krek1111 [17]

y-5=3x-6

standard form y=3x-1

i am sorry about first

6 0

4 years ago

Matt and Natalie went shopping. The cost of their clothing, not including tax was $27.75. If the tax rate is 6%, estimate the to

Vedmedyk [2.9K]

Answer:

The total cost of purchase of Matt and Natalie are $29.41

Step-by-step explanation:

We are given the following in the question:

Cost of clothing without tax = $27.75

Tax percentage = 6%

Amount of tax on clothing =

$=6\%\times 27.75\\\\=\dfrac{6}{100}\times 27.75 \\\\=1.665\approx \$1.66$

Total cost of purchase =

=Total bill without tax + Amount of tax

$=27.75+1.66\\=\$29.41$

Thus, the total cost of purchase of Matt and Natalie are $29.41

4 0

3 years ago

Solve for x. 3x/x+4 + 1= 4/x+4

Westkost [7]

Answer: X = 1

Step-by-step explanation:

3 x $\frac{x}{x}$ + 4 + 1 = $\frac{4}{x}$ + 4

First, you would want to cancel out the equal terms, in this case its the +4's

3 x $\frac{x}{x}$ + 1 = $\frac{4}{x}$

I would also change the $\frac{x}{x}$ into a 1

3 x 1 +1 = $\frac{4}{x}$

Now multiply and add

3 + 1 = $\frac{4}{x}$

4 = $\frac{4}{x}$

divide both sides by 4

x = 1

4 0

3 years ago

Which graph shows the solution to the equation below? log3(x+2) = 1

sdas [7]

Refer the attached figure of the graph (Option A) that shows the solution to the given equation

Step-by-step explanation:

The given logarithmic equation is

$\log _{3}(x+2)=1$

The solution to this logarithmic equation is where the graph of

$y=\log _{3}(x+2)$

When comparing above with the given equation, we find that y = 1.

Now, find the 'x' value by using this. So, applying log base 3 rule on right side, we get as below,

$x+2=3^{1}$

x = 3 - 2 = 1

Plot the asymptote and the point (1 , 1). Sketch the log curve using those two reference facts. Hence, concluded the graph in option A as solution to the given equation.

8 0

3 years ago

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