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zlopas [31]
2 years ago
8

Madge has cut out two triangular shapes from a block of wood, as shown below. Are the two shapes similar? Show your calculations

.

Mathematics
1 answer:
marin [14]2 years ago
3 0
Yes, the larger one is twice the smaller one.
8*2=16
5*2=10
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Solve system by elimination -9x - y =-19 <br> 5x + y = 15
vredina [299]

Answer:

(1, 10 )

Step-by-step explanation:

Given the 2 equations

- 9x - y = - 19 → (1)

5x + y = 15 → (2)

Adding the 2 equations term by term will eliminate the y- term

- 4x + 0 = - 4

- 4x = - 4 ( divide both sides by - 4 )

x = 1

Substitute x = 1 into either of the 2 equations and solve for y

Substituting into (2)

5(1) + y = 15

5 + y = 15 ( subtract 5 from both sides )

y = 10

solution is (1, 10 )

6 0
2 years ago
What is the slope of a line that is perpendicular to y=1/2x+9 that passes through (-7,-4)
Artist 52 [7]
Hi there!

To find the perpendicular slope you need to flip the fraction and change the sign. So 1/2=2/1 and tge original slope was positive, so the slope is -2. Now you sub in the point (-7,-4) in for x and y in the formula y=mx+b and solve for b (sub in 2 for m as well)
Y=mx+b
-4=-2*-7+b
-4=14+b
-4-14=b
B=-18
The equation is y=-2x-18

Hope this helps!
6 0
3 years ago
Really need help on this , thanks so much! (:
Mazyrski [523]
-2y>12x-42
y<21-6x
so a is true
7 0
3 years ago
Making Connections Read the word problem. Use the review vocabulary to describe what each number represents.​
Wittaler [7]

Answer:

dividend, divisor, quotient

Step-by-step explanation:

The answers are in the same order as the vocabulary words

8 0
2 years ago
For f(x) = -4x + 2, find f(1).
sammy [17]

9514 1404 393

Answer:

  f(1) = -2

Step-by-step explanation:

Put 1 where x is and do the arithmetic.

  f(1) = -4·1 +2

  f(1) = -4 +2

  f(1) = -2

7 0
2 years ago
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