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mihalych1998 [28]
3 years ago
11

Joe collect stamps he decided to sell half of his stamp collection to Frank and use the money to buy 10 new Sam's Joe now has 26

stamps in his collection write and solve an equation to find out how many stamps were originally in Joe's collection
Mathematics
1 answer:
ANTONII [103]3 years ago
6 0

Answer:

32

Step-by-step explanation:

If he has 26 now, he had 16 before he bought the 10 more. If he had 16, he would have had 32 before he sold half of them

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Jerry is making 2 kinds of cakes. One needs 18/20 cup of flour and the other needs 3/8. Estimate how much flour he needs
zvonat [6]

bearing in mind that the LCD in this case for those two denominators is 40, so let's use that for the sum

\bf \cfrac{18}{20}+\cfrac{3}{8}\implies \stackrel{\textit{using the LCD of 40}}{\cfrac{(2)18+(5)3}{40}}\implies \cfrac{36+15}{40}\implies \cfrac{51}{40}\implies 1\frac{11}{40}

8 0
4 years ago
Please help....................
Aleksandr-060686 [28]

Answer:

x = 0, 1

Step-by-step explanation:

f(x) = g(x)

0.25^x = -0.75x + 1

Move all terms to the left side and set equal to zero

0.25^x +0.75x -1 = 0

slove for x and you'll get x = 0, 1

6 0
4 years ago
Graph the equation <br><br> y≥-4/3x-7
True [87]

Answer: See picture

Step-by-step explanation:

For this problem, we need to know how to graph the inequality. First, let's establish that we will have a solid line because the inequality is greater than or equal to. If the inequality was only greater than, then it would be a dotted line. For -4/3x-7, you would start at (0,-7) as the y-intercept. Then you would go down by 4 and go to the right by 3 units. Now, we have to do shading. Since we know that y is greater than or equal to, the shading will be on top of the line, where y is greater.

7 0
3 years ago
Tiffany quiz grades on 1st 4 quizzes are 72,87,83,90
Ulleksa [173]
Correct answer is 92
8 0
3 years ago
The first term of an arithmetic sequence is 12. The 9th term is -20. What is the common
Savatey [412]

Answer:

-4

Step-by-step explanation:

The formula of an arithmetic sequence is nth term=a+(n-1)d. First term is a and common difference is d.

Let's plug our info in.

-20=12+(9-1)d

-20=12+8d

Subtract 12 from both sides.

-32=8d

Divide both sides by 8.

d=-4

Have a wonderful day! :D

3 0
3 years ago
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