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hodyreva [135]
3 years ago
15

What is the product of five and a number, decreased by eleven

Mathematics
2 answers:
irakobra [83]3 years ago
5 0

Answer:

5(x)-7

Step-by-step explanation:

hodyreva [135]3 years ago
3 0

Answer:

5x-11

Step-by-step explanation:

This is the word problem as an expression

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When x=3, y=16 and when x=6, y=8. Which inverse variation equation can be used to model this function
MakcuM [25]

Inverse variation equations take the following form:

y = a/x, where a is some constant

We know x=3, y=16 and x=6, y=8 satisfy the equation.

Let's find the value of a.

16=a/3

Multiply both sides by 3

16*3 = a

48 = a

Thus, the equation is:

y = 48/x

You can use the other values of x and y to test, but I'm sure this is the correct equation. :)

(This answer was sent on mobile, so please pardon any spelling errors I may have)

8 0
3 years ago
Mrs.jones has half of a pie left from yesterday’s dinner , today her four children will share this left over pie equally . What
Stolb23 [73]
Each kid will get 1 fourth of the pie
7 0
3 years ago
Scale a rectangle that has length 9 inches and width 17 inches by the scale factor determine the dimensions of the scaled rectan
emmasim [6.3K]

Answer:

The dimensions of the scaled rectangle are

6.3\ in of length by 11.9\ in of width

Step-by-step explanation:

we know that

The scale factor is equal to 70\%

Remember that

70\%=70/100=0.70

The scale factor is less than 1

so

the dilation is a reduction

To find the dimensions of the scaled rectangle multiply the dimensions of the original rectangle by the scale factor

9*0.7=6.3\ in

17*0.7=11.9\ in

4 0
3 years ago
How many 7 digit numbers have6 9 s and no 9 in ones place
Daniel [21]

Answer:

1062882

Step-by-step explanation:

Seven digits numbers, with repetition of digits, having 6 or 9 at the last one's place :

The first six digits can be filled with 9 options each (numbers 1 to 9) , & the last digit can be filled with 2 options (number 6 & 9)

So, total 7 digit numbers as per given condition = 9 x 9 x 9 x 9 x 9 x 9 x 9 x 2 = 1062882

5 0
3 years ago
Use Green's Theorem to evaluate F · dr. C (Check the orientation of the curve before applying the theorem.)F(x, y) = y cos(x) −
Sergeeva-Olga [200]

Notice that <em>C</em> has a clockwise orientation. By Green's theorem, we have

\displaystyle\int_C\mathbf F(x,y)\cdot\mathrm d\mathbf r=-\iint_D\left(\frac{\partial(xy+x\cos x)}{\partial x}-\frac{\partial(y\cos x-xy)}{\partial y}\right)\,\mathrm dx\,\mathrm dy

where <em>D</em> is the triangule region with <em>C</em> as its boundary, given by the set

D=\{(x,y)\mid0\le x\le2\land0\le y\le8-4x\}

So we have

\displaystyle\int_C\mathbf F(x,y)\cdot\mathrm d\mathbf r=-\int_0^2\int_0^{8-4x}((y+\cos x-x\sin x)-(\cos x-x\sin x))\,\mathrm dy\,\mathrm dx

\displaystyle\int_C\mathbf F(x,y)\cdot\mathrm d\mathbf r=-\int_0^2\int_0^{8-4x}y\,\mathrm dy\,\mathrm dx=\boxed{-\dfrac{64}3}

5 0
3 years ago
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