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poizon [28]
3 years ago
10

You have a total of 42 math and science problems for homework you have 10 more math problems and science problems how many probl

ems do you have in each subject use a system of linear equations to justify your answer
Mathematics
2 answers:
Kipish [7]3 years ago
3 0
<span>X= math problems y= science problems x +y =42 x= y+10 Substitute: (y+10) + y =42 Combine y: 2y +10=42 Solve for y: y= 16 There are 16 science questions and 26 math questions</span>
Kryger [21]3 years ago
3 0
Math problems→x
Science problems→y
x+y=42
x=10+y

10+y+y=42⇒2y=32⇒y=32/2⇒y=16
x=10+y

y=16
x=10+16⇒x=26
I have 26 math problems and 16 science problems.

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Zelma buys p pounds of bananas for $0.40 per pound she pays the clerk with a $20 bill the clerk subtract the total cost of the b
Sloan [31]
You didnt include the (presumably) multiple choice answers. My guess is that the answer would be along the lines of: 20 - (P times .40)
7 0
3 years ago
A freezer can be bought on hire purchase by making a desposiy of 15% of the cash price which is $2975 the interest which is 20%
Liono4ka [1.6K]

Answer: See explanation

Step-by-step explanation:

a. The deposit

= 15% × $2975

= 15/100 × $2975

= 0.15 × $2975

= $446.25

b. The hire purchase price

Outstanding balance = $2975 - $446.25 = $2528.75

20% of outstanding balance

= 20% × $2528.75

= 0.2 × $2528.75

= $505.75

Hire purchase price

= $2975 + $505.75

= $3480.75

c. The difference the hire purchase price and cash price

= $3480.75 - $2975

= $505.75

d. The difference as a percentage of the cash price.

= ($505.75 / $2975) × 100

= 0.17 × 100

= 17%

5 0
3 years ago
Need help anyone know how to do this
Dmitry_Shevchenko [17]
X Coordinate: (-3a + 3a)/2
0/2 = 0

Y Coordinate: (b + b)/2
2b/2 = b

Midpoint: (calculated x, calculated y)

In this case, the midpoint should be (0, b)
3 0
3 years ago
The ordered pair (-2, 12) is a solution of the inequality y &gt; -5x + 2.<br><br> True<br><br> False
mel-nik [20]
The answer should be True!

Hope it helped you.


-Charlie

:)
4 0
3 years ago
Read 2 more answers
Camacho is buying a monster truck. The price of the truck is xxx dollars, and he also has to pay a 13\%13%13, percent monster tr
alexandr402 [8]

Although the information has been presented in a baffling way in this question, but I think I understood the expressions.

We have been given that price of monster truck is x dollars and there is an 13% monster truck tax.

We can express the monster truck tax amount as\frac{13}{100}\times x = 0.13x.

Therefore, the total amount including tax will be x+0.13x = 1.13x.

We can now match each statement with its equivalent expression as shown below

The price of Camacho’s new truck before tax  = x

The amount of tax Camacho pays = 0.13x

Camacho’s total bill for the monster truck = 1.13x

None of these = 0.87x


6 0
3 years ago
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