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Alinara [238K]
3 years ago
8

PLZ ANSWER ASAP IN NEED OF ANSWERS WILL AWARD BRAINLIEST!!!

Mathematics
1 answer:
Angelina_Jolie [31]3 years ago
6 0

Answer:

△ABC is congruent to △YZX

Step-by-step explanation:

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Walter invests $12,000, part at 7% annual interest and part at 8.5% annual interest. How much is invested at each rate if Reggie
MAXImum [283]

Answer:

for 7% , $8,000

for 8.5%, $4,000

Step-by-step explanation:

Key amount at 7% be x and amount at 8.5% be y

Mathematically;

x + y = 12,000 ••••••(i)

Let’s now work

with the interest;

7% of x + 8.5% of y = 900 ••••••(ii)

0.07x + 0.085y = 900

So we have two equations to solve simultaneously

From 1, x = 12,000-y

Substitute this into ii

0.07(12000-y) + 0.085y = 900

840-0.07y + 0.085y = 900

0.015y = 900-840

0.015y = 60

y = 60/0.015

y = 4000

x = 12000-4000

x = $8,000

7 0
2 years ago
Solve 2w^2– 16w = 12W – 48 by factoring. Select the solution(s)
UkoKoshka [18]

Answer:

w=12 or w=2

Step-by-step explanation:

2w^2-16w=12w-48

2w^2-28w=-48

2w^2-28w+48=0

2(w^2-14w+24)=0

2(w-12)(w-2)=0

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2 years ago
Help with practice problem
AlladinOne [14]

Answer

x^2      -    y^2     x4    

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6 0
2 years ago
12 divided by 5/6 equals what ?
gregori [183]

Answer:

Exact Form:

72/5

Decimal Form:

14.4

Mixed Number Form:

14 2/5

Step-by-step explanation:

yea thats what i got

5 0
2 years ago
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Answer:

r=35ft, d=70ft. when r=15 mm, d=30mm

Step-by-step explanation:

Radius is half of diameter

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