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Paladinen [302]
3 years ago
15

Solve the system of equations. ​−2x+15y=−24 ​2x+9y=24 ​​ x= y=

Mathematics
1 answer:
german3 years ago
5 0
The answer i think is
x is 12 y is 0

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At her first visit to the doctor, Maggie weighed 67. Nine pounds. Her next visit, she gained 13. 45 pounds. How much does she we
zlopas [31]

Maggie weighs 81.35 pounds now.

6 0
3 years ago
F (×)=-3×^3-2 g (×)=-3×-3 find (-3) and g (4)
monitta
We assume you mean
.. f(x) = -3*x^3 -2
.. g(x) = -3*x^-3

Then
.. f(-3) = -3*(-3)^3 -2 = -3*(-27) -2 = 81 -2 = 79

.. g(4) = -3*4^-3 = -3/64

_____
It is helpful if you use ordinary lower-case letters for variables (except in some formulas where upper-case letters are used). The symbol "×" is used to signify multiplication, so leads to confusion when you try to use it for a variable. In plain text, the exponentiation operator is a caret (^), so x^2 means "x squared", for example. If the exponent is supposed to include an arithmetic operation, then it needs to be enclosed in parentheses, x^(3y-4), for example.
5 0
3 years ago
Consider two parallel line segments.
Kaylis [27]

Answer:

Part A: -3/7

Part B: y = -2

Step-by-step explanation:

Parallel lines have the same slope. Find the slope of CD. Then substitute it to find the value needed for AB.

The slope formula is

m = \frac{y_2-y_1}{x_2-x_1} = \frac{4-1}{-5-2} = \frac{3}{-7}

Use the same formula and solve for y.

m = \frac{y_2-y_1}{x_2-x_1}\\\\-\frac{3}{7}= \frac{y--5}{-6-1} \\\\\frac{3}{-7} =\frac{y+5}{-7}\\\\3 = y+5\\3-5 = y\\-2 = y

7 0
3 years ago
Help me please with my math questions
klio [65]

Answer:

ok

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
When Vlad moved into his home a few years ago, there was a young oak tree in his backyard. He measured it once a year and found
ivanzaharov [21]

Answer:

175 cm

7 years

Step-by-step explanation:

Here is the complete question

When Vlad moved to his new home a few years ago, there was a young oak tree in his backyard.

He measured it once a year and found that it grew by 26 centimeters each year. 4.5 years after he moved into the house, the tree was 292 centimeters tall.

 1. How tall was the tree when Vlad moved into the house?

 2. How many years passed from the time Vlad moved in until the tree was 357 centimeters tall?

The formula for calculating future value:

FV = P + (r x n)

FV = Future height of the tree

P = Present height of the tree

R = growth rate

N = number of years

292 = p + (26 x 4.5)

292 = p + 117

p = 292 - 117

p = 175 cm

b. 357 = 175 + (26 x n)

375 - 175 = 26n

182 = 26n

n = 182 / 26 = 7 years

7 0
3 years ago
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