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3 years ago

Solve. 3x + 2y = 7 and 4x – 3y = -2

Mathematics

2 answers:

lapo4ka [179]3 years ago

4 0

just look up math papa algebra calculator it gives you the answer and explains it step by step :)

ZanzabumX [31]3 years ago

4 0

X
=
1
and
y
=
2
This is the answer

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Solve the following equation.<br> x^2 + 6x − 40 = 0

jonny [76]

Answer:

x = 4 and -10

Step-by-step explanation:

Given the equation

x²+6x-40= 0

The common factors to use for the factorisation are +10 and -4

x²+(10x-4x)-40=0

(x²+10x)-(4x-40) = 0

x(x+10)-4(x+10) = 0

(x-4)(x+10) = 0

x-4 =0 and x+10 = 0

x = 4 and x = -10

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3 years ago

Find the volume of the cone. Use 3.14 for pi.

hram777 [196]

Answer:

V≈157.08

Step-by-step explanation:

I hope this helps

5 0

3 years ago

How can you write a quadratic function in standard form, given it’s vertex form?

ZanzabumX [31]

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Step-by-step explanation:dsrt5tdty

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3 years ago

N.6 Properties of parallelograms

PolarNik [594]

Answer:

J=63

Step-by-step explanation:

3b+27=2b+57

subtract 27 from both sides

3b=2b+30

subtract 2b from both sides

b=30

K+J=180

substitute the value of b into K

2(30)+57+J=180

117+J=180

subtract 117 from both sides

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4 0

2 years ago

Peanuts are priced at 3.38 per pound. Derek buys a sack of peanuts for 15.82. Which measurement is a reasonable estimate of the

Rashid [163]

Given :

Price per pound of peanuts is, P = $3.38 .

Derek buys a sack of peanuts for $15.82.

To Find :

The weight of the peanuts that are in the sack.

Solution :

Let, weight of peanuts that are in the sack are x.

So, $x = \dfrac{15.82}{3.38}\\\\x = 4.68\ pounds$

Therefore, number of pounds in the sack is 4.68 pounds.

5 0

2 years ago