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3 years ago

Two noncongruent triangles, each with side 6 cm and an angle measuring 40 degrees

Mathematics

1 answer:

Svet_ta [14]3 years ago

5 0

Answer:

Two noncongruent triangles, each with side 6 cm and an angle measuring 40 degrees This might be it

Step-by-step explanation:

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Please help! tell whether x and y are proportional. if so, identify the constant of proportionality

sesenic [268]

Answer:

y = (1/2)x is proportional; (1/2)

Step-by-step explanation:

1. y= 1/2x Proportional; constant of proportionality is 1/2.

2. y=2x + 7 Not proportional because of the non-zero y-intercept.

3. x= y + 2 Not proportional (same a reason as for #2)

8 0

3 years ago

A book 2 3/7 inches think and another book 3.56 inches thick , if he stacks the books about how tall will they be

bazaltina [42]

Answer:

About 6 inches tall.

Step-by-step explanation:

One book has a thickness of 2 $\frac{3}{7}$ inches.

Another book has a thickness of 3.56 inches

Converting 2 $\frac{3}{7}$ inches to decimals will give; 2.4285714286 inches

If the books are stacked together, they become 2.4285714286 inches + 3.56 inches = 5.988571429 inches tall or about 6 inches tall (answer rounded up to nearest whole number).

7 0

3 years ago

The length of a rectangle is 7 feet less than the twice the width the perimeter is 76

DedPeter [7]

Answer:

yes I sont now how tu understand

6 0

3 years ago

3x-(2x-1)=7x-(3*5x)+(-x+24)

Paraphin [41]

Answer:

$\boxed{\boxed{\sf x=\frac{23}{10}}\: \sf or \:\boxed{x=2.3}}$

_________________

$\boxed{\sf Step\: By\:Step:- }$

$\sf 3x-\left(2x-1\right)=7x-\left(3\times \:5x\right)+\left(-x+24\right)$

Remove the parentheses:

$\to\sf 3x-\left(2x-1\right)=7x-3\times \:5x-x+24$

Combine like terms:

$\sf ^*7x-x=6x$

$\to\sf 3x-\left(2x-1\right)=6x-3\times \:5x+24$

Multiply 3 and 5x = 15x:-

$\to\sf 3x-\left(2x-1\right)=6x-15x+24$

Combine like terms:

$\sf ^*6x-15x=-9x$

$\to\sf 3x-\left(2x-1\right)=-9x+24$

Expand: 3x-(2x-1)= x+1

$\to\sf x+1=-9x+24$

Subtract 1 from both sides:

$\to\sf x+1-1=-9x+24-1$

$\to\sf x=-9x+23$

Add 9x to both sides:

$\to\sf x+9x=-9x+23+9x$

$\to\sf 10x=23$

Divide both sides by 10:

$\to\sf \cfrac{10x}{10}=\cfrac{23}{10}$

$\to\sf x=\cfrac{23}{10}$

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3 0

3 years ago

pls help!? with all 4 Questions I would rlly appreciate your help thx to plp who help me I will improve on my math and be way be

aliina [53]

7.6=w/12
w=7.6(12)
w=91.2

x/2=20
x=20(2)
x=40

8.3x=41
x=41(8.3)
x=340.3

54=r/3
r=54(3)
r=162

6 0

3 years ago