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xxMikexx [17]
3 years ago
12

Zach made a batch of cookies with 2/7 of a pound of butter and 2/9 of a pound of sugar. How much more butter than sugar was used

?
Mathematics
2 answers:
Annette [7]3 years ago
6 0

Quantity of butter = 2/7 pounds

Quantity of sugar= 2/9 pounds

Now we have to find the difference here.

First finding lcd of 7 and 9 , we have 9*7 =63

lcd is 63

Now converting each fraction into lcd form,

Quantity of butter = 2/7 pounds

\frac{2}{7} = \frac{2*9}{7*9}

Quantity of butter = 18/63

Quantity of sugar= 2/9 pounds

\frac{2}{9} = \frac{2*7}{9*7}

Quantity of sugar = 14/63

difference = \frac{18}{63} - \frac{14}{63}

Difference = 4/63

Answer : 4/63 pounds of more butter was used.


seropon [69]3 years ago
3 0
 4/63 is the answer
ik this is late
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25 points. Need help
mash [69]

Answer:

BD = 21 units

Step-by-step explanation:

By applying mean ratio theorem in the given triangle ABC,

\frac{AD}{BD}=\frac{BD}{CD}

AD × CD = BD²

21 × 21 = BD²

BD² = (21)²

BD = 21

Therefore, measure of segment BD is 21 units.

7 0
3 years ago
Americans who are 65 years of age or older make up 13.2% of the total population. If there at 30.3 million american in this age
zhannawk [14.2K]

Given:

Americans who are 65 years of age or older make up 13.2% of the total population.

Required:

The total u.s. population

Explanation:

Let the total population of u.s be x.

According to the given condition.

13.2\text{ \% of x = 30.3 billion}

Therefore,

\begin{gathered} \frac{13.2}{100}\text{ }\times\text{ x = 30.3} \\ x\text{ = }\frac{30.3\text{ }\times\text{ 100}}{13.2} \\ x\text{ = 229.55 billion} \end{gathered}

Answer:

Thus the total population of u.s is 229.55 billion.

4 0
1 year ago
What does infinite=/mean
givi [52]

Answer:

Infinite describes things that are endless

Step-by-step explanation:

5 0
3 years ago
A ball is thrown from initial height of 2 feet with an initial upward velocity of 35 ft./s. The ball's height H (in feet) after
vodka [1.7K]
So if the height is going to be 20ft, that means 20 = 2+35t-16t²

\bf 20=2+35t-16t^2\implies 16t^2-35t+18=0
\\\\\\
\textit{now, it doesn't factor in integers, thus}
\\\\\\
 \textit{quadratic formula}\\\\
x= \cfrac{ - {{ b}} \pm \sqrt { {{ b}}^2 -4{{ a}}{{ c}}}}{2{{ a}}}\implies t=\cfrac{-(-35)\pm\sqrt{(-35)^2-4(16)(18)}}{2(16)}
\\\\\\
t=\cfrac{35\pm\sqrt{73}}{32}\implies t\approx
\begin{cases}
1.361\\
0.828
\end{cases}
8 0
3 years ago
Read 2 more answers
Can you guys help me with this please it suppose to use the synthetic substitution or the remainder theorem.
Brilliant_brown [7]

9514 1404 393

Answer:

  (b)  -36

Step-by-step explanation:

Synthetic division is often performed using a table of the kind shown in the attachment. The coefficients of f(x) are placed across the top, and the x-value to be evaluated is placed at the left. The rule for finding table entries is shown. (The first (left-most) number at the bottom is the leading coefficient of the polynomial.)

This table shows the remainder, which is f(-2), is -36.

__

The equation itself can be rewritten in "Horner form" to facilitate evaluation.

  f(x) = (((-x +2)x -1)x +4)x +8

In this form, substituting for x and doing the evaluation is easier for mental arithmetic. You will notice that the contents of parentheses at each level match the bottom line of the synthetic division table.

  f(-2) = (((-(-2) +2)(-2) -1)(-2) +4)(-2) +8

  = (((4)(-2) -1)(-2) +4)(-2) +8

  = ((-9)(-2) +4)(-2) +8

  = (22)(-2) +8

  = -36

  f(-2) = -36 . . . . remainder from synthetic substitution

6 0
3 years ago
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