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3 years ago

Keisha makes a large sandwich for a family picnic. She takes

Mathematics

1 answer:

morpeh [17]3 years ago

3 0

Answer:

3/4 becuae fractions if u have 1/2 which is like 50% and take 25% of it u have only 25% left

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Determine which point is the solution to the given system.

KatRina [158]

Answer:

Step-by-step explanation:

We equate both the y's and solve for x algebraically:

$-\frac{4}{7}x+16=-\frac{2}{7}x+12\\16-12=-\frac{2}{7}x+\frac{4}{7}x\\4=\frac{2}{7}x\\x=\frac{4}{\frac{2}{7}}\\x=14$

Now taking the value x= 14 and putting it in the 1st equation would give us y:

$y=-\frac{4}{7}x+16\\y=-\frac{4}{7}(14)+16\\y=8$

Hence the solution is (14,8), answer is D

7 0

4 years ago

Identify whether the change represent growth or decay and determine the percentage rate increase or decrease in y= 16(1.059)^z

AnnyKZ [126]

Answer: Growth rate of 5.9%

Step-by-step explanation:

Since 1.059>1, it represents <u>growth</u>.

$1+r=1.059 \\ \\ r=0.059=\boxed{5.9\%}$

5 0

2 years ago

PLEASE HELPPPPPPPPPP

RUDIKE [14]

Answer:

y = 25.20 m

Step-by-step explanation:

By applying tangent rule in ΔABC,

tan(25)° = $\frac{\text{Opposite side}}{\text{Adjacent side}}$

= $\frac{y}{BC}$

BC = $\frac{y}{\text{tan}(25)}$ --------(1)

Now we apply tangent rule in ΔABD,

tan(15)° = $\frac{y}{BC+CD}$

tan(15)° = $\frac{y}{BC+40}$

BC + 40 = $\frac{y}{\text{tan}(15)}$

BC = $\frac{y}{\text{tan}(15)}$ - 40 -------(2)

From equation (1) and (2),

$\frac{y}{\text{tan}(25)}=\frac{y}{\text{tan}(25)}-40$

$\frac{y}{\text{tan}(25)}-\frac{y}{\text{tan}(25)}=-40$

$y[\frac{1}{\text{tan}(25)}-\frac{1}{\text{tan}(25)}]=-40$

y(2.1445 - 3.7321) = -40

1.5876y = 40

y = 25.1953

y ≈ 25.20 m

Therefore, measure of y is 25.20 m.

5 0

3 years ago

18) Mala gave Kamala half the number of sweets she had. She then had 7 sweets left. How many sweets did Mala have at the start?

bixtya [17]

Answer:

Mala had 14 sweets at the start.

Step-by-step explanation:

7 x 2 = 14

To check, 14/2 = 7. (Dividing by 2 is the same as multiplying by 1/2)

4 0

3 years ago

The point (–3, –4) is reflected across the x-axis. What quadrant is the reflected point located? A. Quadrant I B. Quadrant II C.

Natali5045456 [20]

Answer:

Step-by-step explanation:

Since (-3, -4) is in Quadrant III and the reflected point will be "flipped" vertically the answer is Quadrant II.

5 0

3 years ago