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Lisa [10]
2 years ago
6

(Please someone help me!) (No links!)

Mathematics
1 answer:
Nataly_w [17]2 years ago
8 0

Answer:

3 cups

Step-by-step explanation:

36 : 24 = 4.5 : x

where x is the amount of flour he should use

Therefore,

\frac{36}{24} = \frac{4.5}{x}

Cross multiply:  36x = 4.5 \times 24

\implies 36x = 108

Divide both sides by 36:  x = 108 \div 36 = 3

Therefore, he should use 3 cups of flour

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What is the volume of a pyramid with slant height 25 feet and square base with edges of 14 feet?
kolezko [41]
Check the picture below.

\bf \textit{volume of a pyramid}\\\\
V=\cfrac{1}{3}Bh\qquad 
\begin{cases}
B=area~of\\
\qquad its~base\\
h=height\\
------\\
B=\stackrel{14\times 14}{196}\\
h=24
\end{cases}\implies V=\cfrac{1}{3}(196)(24)

4 0
3 years ago
Read 2 more answers
The Jayden family eats at a restaurant that is having a 15% discount promotion. Their meal costs $78.85 before the discount, and
erik [133]

Answer:

$80.22

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Match each equation to the situation it represents. Yin spends 10 hours on homework this week. She spends 5 hours of science hom
cestrela7 [59]

Answer:

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Step-by-step explanation:

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3 years ago
Let f(x)=2x squared - 3x+8 what is the value of f(-4)
Illusion [34]

Answer:

f(x) = 52

Step-by-step explanation:

f(x) does the same things as y, so when you get your answer, think of it as the value for y when x = - 4

The second thing you should know is that wherever you see an x on the right, you put in - 4

Let x = - 4

y = 2x^2 - 3x + 8

y = 2(-4)^2 - 3(-4) + 8

y = 2*16 - (-12) + 8

y = 32 + 12 + 8

y = 52

Be careful how you hand - 3x when -4 is put in for x. -3(-4) = 12 not - 12

f(-4) = 52

5 0
2 years ago
Determine the coordinates of the intersection of the diagonals of square ABCD with verticals A(-4,6), B(5,6) C(4,-2), and D(-5,-
timama [110]

Given:

Vertices of a square are A(-4,6), B(5,6) C(4,-2), and D(-5,-2).

To find:

The intersection of the diagonals of square ABCD.

Solution:

We know that diagonals of a square always bisect each other. It means intersection of the diagonals of square is the midpoint of diagonals.

In the square ABCD, AC and BD are two diagonals. So, intersection of the diagonals is the midpoint of both AC and BD.

We can find midpoint of either AC or BD because both will result the same.

Midpoint of A(-4,6) and C(4,-2) is

Midpoint=\left(\dfrac{x_1+x_2}{2},\dfrac{y_1+y_2}{2}\right)

Midpoint=\left(\dfrac{-4+4}{2},\dfrac{6+(-2)}{2}\right)

Midpoint=\left(\dfrac{0}{2},\dfrac{6-2}{2}\right)

Midpoint=\left(\dfrac{0}{2},\dfrac{4}{2}\right)

Midpoint=\left(0,2\right)

Therefore, the intersection of the diagonals of square ABCD is (0,2).

4 0
3 years ago
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