3 years ago

Explain how knowing 1+7 helps you find the sum for 7+1

Mathematics

1 answer:

maksim [4K]3 years ago

6 0

Because there both addition

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Which of the following plantonic solids is also a cube?

34kurt

Answer:

Hexahedron

Step-by-step explanation:

A cube is a regular hexahedron, as both the hexahedron and the cube have 6 faces, and a hexhedron can sometimes be a cube.

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3 years ago

(i) Challenge: Thembi received 8% discount on an item which cost

Paul [167]

Answer:

$x = 0.25$

Step-by-step explanation:

Given

$Cost\ Price = 6 + x$

$Discount =8\%$

$Amount\ Paid = R6 - x$

Required

Find x

First, we calculate the amount paid in terms of the cost price.

This is calculated using:

$Amount\ Paid = Cost\ Price * (100\% - Discount)$

$Amount\ Paid = (6 + x) * (100\% - 8\%)$

$Amount\ Paid = (6 + x) * 92\%$

Express as decimal

$Amount\ Paid = (6 + x) * 0.92$

Open bracket

$Amount\ Paid = 5.52 + 0.92x$

So, we have:

$Amount\ Paid = 5.52 + 0.92x$ and

$Amount\ Paid = R6 - x$ ---- given

Equate both

$6 - x = 5.52 + 0.92x$

Collect like terms

$- x -0.92x= 5.52-6$

$-1.92x= -0.48$

$1.92x= 0.48$

Solve for x

$x = \frac{0.48}{1.92}$

$x = 0.25$

8 0

3 years ago

Can someone help me pls

CaHeK987 [17]

Answer:

yes

Step-by-step explanation:

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3 years ago

Write the expression in standard form: 5(3a) + 8(-5b) + (4 * c * 6) * = Multiplication symbol

scoray [572]

Answer:

use photomath and your welcome :)))

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3 years ago

Evaluate the radical.<br><br> 64−−√3

IrinaK [193]

It Wil be 73 U will have to put it ❤

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3 years ago

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