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sergij07 [2.7K]
3 years ago
14

By system of substitution solve y= -3x-5 y=4

Mathematics
1 answer:
Musya8 [376]3 years ago
7 0
4 = -3x-5
3x = -9
x = -3
You might be interested in
(4x^(4))^(2) without exponents
vlabodo [156]

Answer:

256x * 16

Step-by-step explanation:

(4x * 4x * 4) * (4x * 4x * 4 )

(16x * 4 ) * ( 16x *4)

16x * 16x = 256x

4 * 4 = 16

256x * 16

hope this helped a little

* = multiply

3 0
2 years ago
How to solve for a missing side length of a triangle (NOT a right triangle) when one side is 4m and another side is 3m, and the
Alenkasestr [34]

Answer:

c ≈ 6.08 m

Step-by-step explanation:

Your question is how to solve for a missing side length of a triangle when given 2 sides length and an angle. The side length can be solved using the cosine rule . We use cosine rule to find the length of a side of a triangle when given two sides and an included angle.

The cosine rule formula for finding a side length are as follows

c² = a² + b² - 2ab cosC

b² = a² + c² - 2ac cosB

c² = a² + b² - 2ab cosC

Using cosine rule

c² = 4² + 3² - 2 × 4 × 3 cos 120°

c² = 16 + 9 - 24 cos 120°

c² = 25 - 24 (-0.5)

c² = 25 + 12

c² = 37

square root both sides

c = √37

c = 6.0827625303

c ≈ 6.08 m

4 0
3 years ago
You are considering leasing a store site that has 1,500 square feet. The landlord is asking for a rent of $50 per square foot, p
tigry1 [53]

Answer:

$75000/year

$6250/month

Step-by-step explanation:

1500 ft²*$50/(ft²*year) = $75000/year

1 year = 12 month

$75000/12 month= $6250/month

3 0
3 years ago
I need help with this
vodka [1.7K]
X=5 if you solve the equation 20=8x/2
7 0
3 years ago
5 Eric is building a fence around the perimeter of a garden in his backyard. The yard is shaped like a rectangle with a width of
Elena L [17]
L=25
If the length is 25 yards then you use 50 yards of fencing for the length, this leaves ten yards for each width of fencing each.
10 yards is 15 yards less than 25 yards showing that this is the correct answer.
5 0
3 years ago
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