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kolezko [41]
3 years ago
6

Pls help easy points question On the photo

Mathematics
1 answer:
Morgarella [4.7K]3 years ago
8 0
A) tomatoes : chicken broth = 9:15 or 3:5
Tomatoes : spinach = 9:9 = 1:1
Spinach : chicken broth = 9:15 = 3:5

b) tomatoes : chicken broth = 4.5:7.5 = still 3:5
Tomatoes to spinach is still 1:1
Spinach : chicken broth 4.5:7.5 still = 3:5

Dividing all quantities by 2 doesn’t change the ratio.
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Write the expression as a product:<br><br> 1–(2x–1)^2
postnew [5]

Answer:

1- ( { 2 x - 1)}^{2} =  4x (1  - x )

Step-by-step explanation:

We want to to rewrite

1 - ( { 2 x - 1)}^{2}

Use difference of two squares to get:

{a}^{2}  -  {b}^{2}  = (a + b)(a - b)

This implies that:

{1}^{2} - ( { 2 x - 1)}^{2}  = (1 +( 2x - 1))(1  - (2x  - 1))

{1}^{2} - ( { 2 x - 1)}^{2}  = (1 + 2x - 1)(1  - 2x   + 1)

This finally simplifies to:

{1}^{2} - ( { 2 x - 1)}^{2}  =  2x (2  - 2x )

Therefore the required product is

2x (2  - 2x ) = 4x(1 - x)

3 0
3 years ago
Need help with 10 and 11 can’t figure it out
Artyom0805 [142]
Wish I could help on so sorry
5 0
3 years ago
What's the value of 6x to the second power +4x+8, when x=7
lidiya [134]
6(7)^2+4(7)+8=y
6(49)+28+8=y
294+28+8=y
330=y
7 0
3 years ago
Read 2 more answers
The common factor to 18xy and 24 y
vladimir1956 [14]
18xy + 24y = 6y(3x + 8)

The common factor is 6y
6 0
2 years ago
Since the expression (x-4)^2+(y+1)^2 evaluated at (3,6) is
stiks02 [169]

\bf (x-4)^2+(y+1)^2\qquad (3,6)~~ \begin{cases} x = 3\\ y = 6 \end{cases}\implies (3-4)^2+(6+1)^2 \\\\\\ (-1)^2+7^2\implies 1+49\implies 50

5 0
3 years ago
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