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krok68 [10]
3 years ago
8

At the gift shop, they sell small greeting cards and large greeting cards. The cost of a small greeting card is $ 2.50 and the c

ost of a large greeting card is $3.85. How much would it cost to get 4 small greeting cards and 5 large greeting cards? How much would it cost to get small greeting cards and y large greeting cards ?
Mathematics
1 answer:
lesantik [10]3 years ago
4 0

Answer: X-

Step-by-step explanation:

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Given the following geometric sequence, find the common ratio:<br><br> {225, 45, 9...}
Tom [10]

Answer:

\frac{1}{5}  is the common ratio

Step-by-step explanation:

Common ratio(r) states that the ratio of each term of a geometric sequence to the term preceding it.

r = \frac{a_2}{a_1} =\frac{a_3}{a_2}........\frac{a_{n+1}}{a_n}

Given the sequence:

225, 45, 9, .........

Here,

a_1 = 225

a_2 = 45

a_3 = 9 and so on...

Using definition to find r.

r = \frac{45}{225}=\frac{9}{45}......

After solving we get;

r = \frac{1}{5}

Therefore, the common ratio is, \frac{1}{5}

8 0
3 years ago
Read 2 more answers
A restaurant buys 56 pounds of beef at $1.12/pound and 24 quarts of milk at $.90/quart. How much money was spent?
Gre4nikov [31]

Answer:

84.80

Step-by-step explanation: 62.72+22.08=84.80

3 0
3 years ago
Read 2 more answers
If x=3(y+w)-1 what id the value of w in terms of x and y ?
Sati [7]

Answer:

x=3(y+w)-1

x=3y+3w-1

x+1-3y=3w

w = (x+1-3y) / 3

7 0
3 years ago
Please help!!!!! geometry
m_a_m_a [10]

Answer:

58

Step-by-step explanation:

First, draw out your triangle on a piece of paper, and label each point w, x, and y

We are then told that side wx and yw are similar. This means that we have an isosceles triangle with two similar sides.

We are also told that angle w is equal to 64 degrees

with this information, we can assume that angle y is the same as angle x

Another important thing to note is that all triangle measures equals to 180

SO

we can make this expression:

64 + x + x = 180

Now to solve for x:

64 + x + x = 180

64 + 2x = 180

2x = 116

x = 58

3 0
11 months ago
Plz help me with this
never [62]
A) is right
b) just subtract ljm and kjm so 145-48 = 92°
c) 9x-25=7x+7 so here you put npq=mpq+mpn and you combine terms so it's now 2x=32 then divide by 2 on both sides and x= 16
now you just plug it into 3x-5 and you get 43°
3 0
3 years ago
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