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d1i1m1o1n [39]
2 years ago
9

Evaluate 4y+8 , and y=6

Mathematics
2 answers:
fgiga [73]2 years ago
8 0
4 x 6 + 8
24 + 8
= 32
Len [333]2 years ago
7 0
4(6)+8=? You would times it by 4 and then add it
24+8=32
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Which is the best approximation for the solution of the system of equations?
SpyIntel [72]

Answer:

(0.88, 0,65)

Step-by-step explanation:

what do we have to do ? I assume we need to find the crossing point between the 2 lines.

when looking at the graphic, we can already rule out the first, third and fourth option.

none of the coordinates of that point is larger than 1 in any direction or smaller than 0.5.

so, just by looking at things I immediately "bet" on answer option 2 (0.88, 0.65).

but let's check.

y = -2x/5 + 1

y = 3x - 2

for the crossing point both functions must produce the same functional value.

=>

-2x/5 + 1 = 3x - 2

-2x/5 + 5/5 = 15x/5 - 10/5

-2x + 5 = 15x - 10

15 = 17x

x = 15/17 = 0.88...

y = 3×0.88... -2 = 0.65...

hurray, our original observation and "suspicion" is confirmed.

5 0
2 years ago
A store manager combines 2 lb of trail mix that contains some cashew nuts with 30 lb
bekas [8.4K]

Answer:

100%

Step-by-step explanation:

Let  p = percent of cashews in first mix

2p = lb. of cashews in first mix

30(.20) =  6 = lb. of cashews in second mix

32(.25) =  8 = lb. of cashews in the combined mix

So,

lb. of cashews in first mix +  lb. of cashews in second mix = lb. of cashews in the combined mix

2p + 6 = 8

2p = 2

p = 1 = 100%

7 0
3 years ago
Read 2 more answers
Which phrase describes the variable expression y - 12
ahrayia [7]

Answer:

The number y decreased by 12.

Step-by-step explanation:

5 0
3 years ago
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If a finance professional recommends that you save 10% of your income each month and Julie spends 30% on rent and 40% on all oth
german

Answer:

The percentage of income she should use on the rest of her expenses=20%

Step-by-step explanation:

Step 1: Determine her total income

Let her total percentage income be =100%

Step 2: Determine amount of each expense

The amount of each expense can be expressed;

Amount of each expense=percentage of total expense×total income

a). Savings

percentage expense on savings=10%

b). Rent

percentage expense on rent=30%

c). Fixed expenses

percentage expense on fixed expenses=40%

d). The rest expenses

percentage expense on the rest=x

Step 3: Calculate total percentage income

Total percentage income=percentage on savings expenses+percentage on rent expenses+percentage on fixed expenses+remainder

replacing;

Total expenses=(10+30+40+x)=x+80

Total percentage income=100%

Step 4: Get remaining percentage amount of her income

(100)=(x+80)

x=100-80

x=20

The percentage of income she should use on the rest of her expenses=20%

3 0
3 years ago
Luke lives0.4 kilometer from the skating rink. Mark lives0.25 kilometer from the skating who lives closer
Alchen [17]

Answer:

mark

Step-by-step explanation:

Mark lives closer because 0.25 is less than 0.4

on the number line 0.25 is before 0.4

8 0
3 years ago
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