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Flura [38]
3 years ago
5

Solve the equation: -1/2 (t+3) -10 = -6.5

Mathematics
1 answer:
liq [111]3 years ago
7 0
-1/2 (t+3) -10 = -6.5

t = - 10
You might be interested in
Please help me with this
aleksandr82 [10.1K]

Answer:

B.  $19

Step-by-step explanation:

Approximate prices:

1/4 lb ham = 0.25 * $6 = $1.50

1 1/2 lb turkey = 1.5 * $5 = $7.50

1 lb roast beef = $7

3/4 lb bologna = 0.75 * $4 = $3

Add the approximate individual prices:

$1.50 + $7.50 + $7 + $3 = $19

3 0
3 years ago
Given n(A) = 1300, n(A U B) = 2290, and n(A n B) = 360, find n(B).
Stels [109]

Answer:

n(B) = 1350

Step-by-step explanation:

Using Venn sets, we have that:

n(A \cup B) = n(A) + n(B) - n(A \cap B)

Three values are given in the exercise.

The other is n(B), which we have to find. So

n(A \cup B) = n(A) + n(B) - n(A \cap B)

2290 = 1300 + n(B) - 360

940 + n(B) = 2290

n(B) = 2290 - 940 = 1350

So

n(B) = 1350

3 0
3 years ago
What will replace question mark? <br> If 1243=21 , 2415=36, 3241=25, 4521=27 then 3542=?
qwelly [4]

The answer of 3542=48, if the given is 1243=21 , 2415=36, 3241=25, 4521=27.

Step-by-step explanation:

The given is,

              1243=21

              2415=36,

              3241=25,

              4521=27

Step:1

          For, 1243 = 21

          Above is solved by,

                    (1+2)×(4+3)=21

                           (3)×(7)=21

                                 21=21

          For, 2415 = 36

          Above is solved by,

                    (2+4)×(1+5)=21

                           (6)×(6)=36

                                36=36

          For,3241= 25

          Above is solved by,

                    (3+2)×(4+1)=25

                           (5)×(5)=25

                                25=25

          For, 4521= 27

          Above is solved by,

                    (4+5)×(2+1)=27

                           (9)×(3)=27

                                 27=27    

           For, 3542 = ?

          Above is solved by,

                                     = (3+5)×(4+2)

                                     =(8)×(6)

                            3542=48

Result:

       The answer of 3542=48, if the given is 1243=21 , 2415=36, 3241=25, 4521=27.  

3 0
4 years ago
What is 2/5 as percentage
Alina [70]
First, change 2/5 into a decimal by dividing 2 by 5. Decimal= .4. Now move the decimal 2 places to the right to find percentage. Answer is 40%
3 0
4 years ago
Read 2 more answers
Which inequality is true 1.5 &gt; 2 1/2, 1/2 &gt; 0.5, -2.5 &gt; -1.5, -3 1/2 &gt; - 4.5
yawa3891 [41]

Answer: D

Step-by-step explanation:

(A. 1.5 > 2 1/2

(B. 1/2 > 0.5

(C. -2.5 > -1.5

(D. -3 1/2 > - 4.5

Step 1: Convert everything to decimals or fractions so its easier to see and make it less likely to get the question wrong

Method #1: Fractions

1.5= 1 1/2

0.5= 1/2

-2.5= - 2 1/2

-1.5= - 1 1/2

-4.5= -4 1/2

Now we have:

(A. 1 1/2 > 2 1/2 --> This is wrong because 1 1/2 is supposed to be less than 2 1/2.

(B. 1/2 > 1/2 This is also wrong. 1/2 is equal to 1/2; they are obviously the same.

(C. -2 1/2 > -1 1/2 This is wrong because, in negative numbers, its sort of backwards. For example, -2 is actually less than -1 because its farther away from 0. But if they were normal positive numbers, 2 would be bigger. But here, -2 1/2 is less than -1 1/2.

(D. -3 1/2 > - 4 1/2 This is correct. -3 1/2 is closer to 0 than -4 1/2, so it has to be bigger.

Solving the problem this way gets me to: Answer= D

Method #2: Decimals (remember: same numbers, different way of writing them!!!)

(A. 1.5 > 2.5 False. 1.5 is less than 2.5

(B. 0.5 > 0.5 False. 0.5 is equal to 0.5

(C. -2.5 > -1.5 False. -2.5 is farther away from 0 so its actually smaller.

(D. -3.5 > - 4.5 True. -3.5 is closer to 0.

Doing it this way also leads me to Answer= D.

Hope this helps :)) Also can i please have brainiest? I worked pretty hard on this :D

6 0
2 years ago
Read 2 more answers
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