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Rus_ich [418]
3 years ago
9

Write the expression from the phrase Twice the difference of a number (x) and eight

Mathematics
2 answers:
lozanna [386]3 years ago
8 0

Answer:

2*x-8

Step-by-step explanation:

the difference means subtraction and then "twice" means multiply by two

Vadim26 [7]3 years ago
7 0
2(X-8) u would subtract x minus 8 then multiply it by 2
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Use what you have learned to find the values of x or y <br> 54<br> X=
babunello [35]

Answer:

∠x = 72°

Step-by-step explanation:

since two sides are equal, their opposite angles are equal.

Then the upper angle is also equal to 54°.

All triangle angles add up to 180°.

∠x = 180 - 54 - 54 = 72°

3 0
3 years ago
Haley has 3 3/8 cups of sugar to make pies. If each pie uses 2 1/4 cups of sugar, how many pies can she make?
tester [92]

Answer:

With 3 3/8 cups of sugar Haley can make one and a half  pie.

Step-by-step explanation:

The amount of sugar required to make each pie  =   2 1/4 cup

Now,  2 \frac{1}{4}   = 2 + \frac{1}{4}   = 2 + 0.25  = 2.25

So, Haley uses 2.25 cup of sugar foe  each pie.

Total cups of Sugar Haley has = 3 3/8 cups.

Now,  3 \frac{3}{8}   = 3 + \frac{3}{8}   = 3 + 0.375  = 3.375

So, the total amount of sugar Haley has  is 3.375 cups.

Now, \textrm{Number of pies she can make}  = \frac{\textrm{Total cups of sugar she has}}{\textrm{Cups of sugar required for each cake}}

= \frac{3.375}{2.25}    =1.5

or the number of  pies she can make  =  1.5

Hence, with 3 3/8 cups of sugar Haley can Make 1 1/2 pie.

8 0
3 years ago
Please help solve: 1/9 x 5/4
horrorfan [7]
1/9 • 5/4 = 1/9 • 1 1/4 = 11/36. Hoped I helped!
5 0
4 years ago
Read 2 more answers
Left on together, the cold and hot water faucets of a certain bathtub take 5 minutes to fill the tub. If it takes the hot water
mario62 [17]

Answer:

\frac{15}{2}=7.5 minutes.

Step-by-step explanation:

Let t represent time taken by cold water faucet in minutes to fill the tub.

Part of tub filled by cold water faucet in one minute would be \frac{1}{t}.

We have been given that it takes the hot water faucet 15 minutes to fill the tub by itself, so art of tub filled by hot water faucet in one minute would be \frac{1}{15}.

We are also told that left on together, the cold and hot water faucets of a certain bathtub take 5 minutes to fill the tub, so part of tub filled by both faucets in one minute would be \frac{1}{5}.

We can represent part of tank filled by both faucets in one minute as:

\frac{1}{15}+\frac{1}{t}=\frac{1}{5}

\frac{1}{15}\cdot 15t+\frac{1}{t}\cdot 15t=\frac{1}{5}\cdot 15t

t+15=3t

t-t+15=3t-t

15=2t

2t=15

\frac{2t}{2}=\frac{15}{2}

t=7.5

Therefore, it will take 7.5 minutes for the cold water faucet to fill the tub alone.

8 0
3 years ago
How to find the average rate of change of a function from x1 to x2 given the values?
7nadin3 [17]
That's just the slope from those points

lests say the function is f(x)

the average rate of change is \frac{f(x_2)-f(x_1)}{x_2-x_1}
6 0
4 years ago
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